Israeli airspace closed by October 31, 2026?

- [2026-02-28] Israel closed its airspace to all civilian traffic and grounded flights as it launched joint strikes on Iran ("Operation Epic Fury"/"Roaring Lion"), the start of the ongoing 2026 Iran war; since the 2026 Iran war began with joint US-Israeli attacks on Iran on 28 February 2026, Israeli airspace was closed for several days, disrupting flights from Ben Gurion Airport (en.wikipedia.org/wiki/2026_Iranian_strikes_on_Israel). - [2026-04-09] Full reopening: the Transportation Ministry announced Israel was fully reopening the country's airspace and resuming regular operations at Ben Gurion Airport starting at midnight, roughly one day after a ceasefire was announced between the US, Israel and Iran (timesofisrael.com). - [2026-06-07/08] Brief, localized re-closures recurred amid flare-ups: Israel temporarily closed its airspace after intercepting a missile launched from Yemen, with the army intercepting it after sirens sounded across greater Tel Aviv and parts of central and southern Israel (aa.com.tr); these were short-lived, not a general standing closure. - [2026-07] Ceasefire strain but airspace stayed open: the US-Iran ceasefire effectively broke down in July 2026 with renewed military action around the Strait of Hormuz, yet Israeli airspace (LLLL/Tel Aviv FIR) was open again, though the security situation remained volatile and many international airlines had not returned (safeairspace.net). - [2026-08-31] EASA reissued a caution note (not a closure order): EASA's Information Note issued 31 Aug 2026, valid to 30 Sep 2026, advises civil operators to take potential risk into account in their risk assessment and routing decisions for all altitudes in the Tel Aviv FIR (LLLL) — this is an advisory, not an Israeli order (safeairspace.net). - [2026-09-01] Market/analytics summary: Israeli airspace remains operational as of September 1, 2026, with the U.S.-Israel military posture less escalatory than during prior closures and strong economic/logistical disincentives against a major shutdown (octagonai.co). - [2026-08-31/09-01] On the ground, Ben Gurion Airport is functioning normally with progressive carrier return: as of August 31, 2026, Ben Gurion Airport is open and running normally, with most international carriers having come back, though a handful remain suspended (touristisrael.com). - [2026-09-06/08] Major US carriers resumed nonstop service, evidence airspace/airport fully open: Delta confirmed a nonstop JFK–Tel Aviv restart on September 6, 2026, and United confirmed a two-daily Newark–Tel Aviv restart on September 8, 2026, on Boeing 787s (israelwelcome.com). - [2026-09-19] US Embassy Jerusalem issued a general regional caution, not a closure notice: due to tensions in the Middle East, the security environment remains complex with potential for unforeseen escalation, and Americans should be aware of potential flight cancellations, airspace closures, and travel disruptions (il.usembassy.gov) — this is a warning, which the market's rules explicitly exclude as a qualifying closure if imposed by a party other than the responsible Israeli authority. - [2026-09-28] Independent OSINT tracker labels Israel "RESTRICTED" (not closed) amid the still-active Iran war and intensified Israeli operations in Lebanon: Israeli strikes in southern Lebanon continue and have intensified, with forces seizing the Ali al-Taher ridge in early September and demolishing Hezbollah tunnel networks , while no civil reopening is in prospect while no ceasefire exists for Iran/Lebanon fronts specifically — but this does not describe a general Israeli civil airspace closure (iranwarlive.com). - [2026-09-28] Same tracker's status table lists Israel as "RESTRICTED... Civil Aviation Authority / Partial" versus Iran and Lebanon as "CLOSED," indicating Israeli commercial aviation continues to operate, just under caution advisories, not a default-prohibition NOTAM (iranwarlive.com). - [2026-09-16] Live NOTAM feed for LLBG/LLLL shows only routine operational notices (runway/ILS maintenance closures, a parachute-jumping airspace closure, a VFR route closure) — no general FIR closure NOTAM in the most recent entries (ctrltwr.com). - [2026-09] Airline schedule trackers confirm gradual, not disrupted, normalization: British Airways resumes October 25, 2026; American Airlines, Air Canada, Ryanair, and easyJet remain suspended with no near-term restart , reflecting airline-level caution rather than an Israeli-ordered airspace closure (israelwelcome.com). BOTTOM LINE: As of September 28-30, 2026, Israeli airspace (Tel Aviv FIR/LLLL) and Ben Gurion Airport are open and operating with growing commercial traffic (Delta, United and others having resumed), despite an ongoing Iran war, active Israeli operations against Hezbollah in Lebanon, and standing EASA/foreign caution advisories; no qualifying general NOTAM-based closure has been in effect since the April 9, 2026 reopening, though brief localized closures have recurred during missile incidents (most recently June 2026). NOT FOUND: No official Israeli Ministry of Transport, Civil Aviation Authority, or Israel Airports Authority statement/NOTAM from the last 14 days (Sept 16-30, 2026) explicitly confirming current open status was located directly (only secondary/tracker sources); could not access the IAA's live flight-board page directly due to fetch restrictions.

- [2023-10-08] Reference class start: A NOTAM prohibiting arrival of GA aircraft was issued Oct 8, 2023 (LLBG A1089/23) , but full commercial FIR closure was rare in Oct 2023; mainly warnings, not blanket closure. https://ops.group/blog/airspace-risk-tel-aviv-is-still-busy-and-it-shouldnt-be/ - [2024-04-13] Iranian strike led to airspace closures across the region; several Middle East countries closed their airspace a few hours before Iran launched a standoff attack against Israel around midnight on 13 April 2024 ; Israeli closure was short (hours), reopened same day. - [2024-07-31] and 2024-09-21: Partial, sub-national NOTAM closures (north of Hadera only), each valid for 24 hours and applies to all aircraft except emergency flights — these would NOT qualify under this contract's "no partial/sub-region" exclusion. - [2025-06-13] Full qualifying-style closure: ISRAEL FIR CLSD TO ALL FLT EXC INTL FLT DEP WB/NB ONLY OR PPR FLT FM NOTAM OFFICE , issued at start of "Rising Lion" operation against Iran. - [2025-06-13 to 2025-06-26] Closure lasted roughly two weeks with gradual reopening; Ben Gurion Airport remained closed until further notice, stranding more than 50,000 Israeli travelers abroad , showing full closures, once triggered, can persist ~1-2+ weeks. - [2026-02-28] A new full closure occurred: tens of thousands of Israelis found themselves unable to return to Israel on Saturday after Israel and the US launched a major joint military strike on Iran; as Iran responded by firing missiles and drones, Israel closed its airspace until at least Monday . - [2026-03-25] This closure proved durable: Israel's airspace has been shut to most regular commercial traffic since February 28, when joint attacks with the US on Iran began... aviation authorities extended a so-called technical NOTAM through April 16 , and even after partial reopening only Israeli airlines have been permitted to operate a restricted wartime flight schedule — a roughly 6-week+ full/near-full closure episode. - [2026-07] By July 2026 the FIR reopened but instability persisted: the US-Iran ceasefire has effectively broken down, with renewed military action and attacks around the Strait of Hormuz; despite that, Israeli airspace is open again, but the security situation remains volatile and many international airlines have not returned since the start of the conflict . - [2026-08-18] A prior sibling market (resolving Sep 30, 2026) saw a large probability swing: the market's sharpest move, a 39.0 percentage point drop on August 18, 2026, was driven by a non-event... the probability of an Israeli airspace closure collapsed from 50.5% to 11.5% as the day passed without any major security incident , and that market resolved "No" for the Sep-30 deadline per Israeli airspace has remained open as of September 1, 2026... Israel is not expected to close its airspace by September 30, 2026 . - [2026-09] Current state remains open but tense: Israel is open, but ops still aren't back to normal; some foreign airlines have resumed services, but most major US and European operators continue to stay away , and EASA maintains an advisory (not a closure) through Sept 30, 2026 per safeairspace.net. - [2026-09-19] US Embassy Jerusalem warns of ongoing risk: due to tensions in the Middle East, the security environment remains complex with the potential for unforeseen escalation; Americans currently in the Middle East should exercise heightened vigilance and be aware of potential flight cancellations, airspace closures, and travel disruptions , tied to Houthi attacks on Saudi Arabia rather than an active Israel-Iran exchange. BOTTOM LINE: Since Oct 2023, Israel's FIR has undergone full qualifying closures roughly 2–3 times (April 2024 brief hours-long closure, June 2025 ~2-week closure, Feb–Apr 2026 ~6-week closure) — each tightly linked to a major Iran-Israel military exchange rather than routine tension, implying a base rate of roughly one qualifying full closure per major flare-up (a handful of episodes across ~3 years), not a background monthly rate; absent a fresh large-scale strike/retaliation cycle in the Oct 2026 window, historical pattern favors "No," though the region's volatility (broken ceasefire, Houthi attacks on Saudi Arabia) keeps tail risk elevated. NOT FOUND: No official IAA/Ministry of Transport archive of all historical NOTAM full-FIR-closure dates was found (relied on secondary reporting); could not find a formal probabilistic base-rate study or track record for this exact contract type beyond the one sibling Polymarket market discussed.

YES means: Israeli aviation authorities issue a general order/NOTAM suspending default commercial access to the Tel Aviv FIR (LLLL) at some point between market creation (Sept 15, 2026) and Oct 31, 2026, 11:59 PM ET. - [2026-09-29] Israeli PM Netanyahu, speaking from Tel Nof Airbase, said there are indications that the country's adversaries may be planning an attack on Israel ahead of the upcoming October 27 elections , explicitly tying elevated threat perception to a date squarely inside the market window (iranwire.com). - [2026-09-29] Jerusalem Post sourcing confirms the warning is being taken seriously at the security-cabinet level: several Israeli officials said there is currently no concrete threat to Israel, though they cautioned that the situation could change at any moment, noting Israel is on high alert and closely monitoring Iran's actions, and that escalation in the West Bank could also quickly turn into something much broader — i.e., officials themselves frame the risk as live, not hypothetical, for the pre-election period (jpost.com). - [2026-09-29] A second Israeli official quoted by JPost said Tehran could decide at any moment to launch missiles at Israel amid the economic and military pressure being exerted by the United States, though for now this remains an "option" rather than an "immediate threat" (jpost.com). - [2026-09-28] Iran's parliament speaker and chief negotiator Ghalibaf issued explicit escalation rhetoric reported same day: if his country's security was not guaranteed, no infrastructure in the region will be safe from attack, saying "if our security is not guaranteed, no infrastructure will remain safe" — a direct threat overlapping the contract window (timesofisrael.com). - [2026-09-28] On the same day, Israeli forces fired an interceptor over southern Lebanon at a "suspicious aerial target," an incident under investigation, showing continued live-fire friction feeding into the pre-election alert (timesofisrael.com liveblog, Sept 28). - [2026-10-27] Israel's national Knesset election is fixed for this date, and pre-election security planners are explicitly bracing for the possibility that a major attack could force disruption: an elections-committee representative warned "It will be impossible to hold elections when there is a major attack," confirming election organizers view a serious strike as capable of disrupting normal state functioning, which plausibly includes aviation, in the days just before the Oct 31 deadline (jns.org). - [2026-09] Independent political analysis notes a structural incentive for escalation timing: Netanyahu's governing style has been characterized as one where tactical survival and continuous crisis management, with short-term political leverage often taking precedence over durable strategic resolution... calculated friction with allied capitals has frequently been used to project domestic strength , a dynamic that could favor a preemptive Israeli strike (which under the base-rate pattern from Feb-Apr 2026 reliably triggers a full FIR closure) in the days before the Oct 27 vote (hornreview.org). - [2026-09-07/08] The still-unresolved Lebanon front remains a proven escalation trigger: fighting has already produced mass-casualty incidents in September (CNBC/WaPo, cited by colleagues), and Britannica's account confirms Iranian attacks also targeted oil infrastructure in the region—including vessels in the Strait of Hormuz... as well as commercial hubs in neighboring countries , illustrating that any renewed direct Iran-Israel exchange (not just Lebanon) remains an active possibility that historically produces full FIR closures within days. - [2026-09] Precedent mechanism: every full/general qualifying closure since 2023 (April 2024 hours-long, June 2025 ~2 weeks, Feb-Apr 2026 ~6 weeks — per colleagues' base-rate report) was triggered by a sudden large-scale Iran-Israel military exchange announced with little warning; the current environment features simultaneous live threats from Iran (Ghalibaf statement), Lebanon (active strikes), and an explicit Netanyahu warning tied to a hard date (Oct 27) that falls within the market's remaining life, meaning all necessary preconditions for the historical trigger pattern are concurrently present. BOTTOM LINE: The strongest YES path is a preemptive or retaliatory Israeli-Iranian strike exchange timed around the Oct 27 election — explicitly flagged by Netanyahu and Israeli security officials on Sept 29 as a live risk window — which, per the 2024-2026 precedent, would very plausibly trigger a full civil FIR closure NOTAM before the Oct 31 deadline; this is a specific, dated, officially-acknowledged risk window rather than generic regional volatility. NOT FOUND: No confirmed operational plan, mobilization order, or NOTAM filing indicating an imminent strike; officials explicitly stated as of Sept 29 that "there is currently no specific intelligence warning on the table" for an actual attack, so the case rests on elevated probability/rhetoric rather than a confirmed forthcoming event.

YES means: Israel's Civil Aviation Authority/Ministry of Transport issues a NOTAM or official order that defaults to prohibiting commercial flights generally across the Tel Aviv FIR (LLLL) — a full, general closure, not a warning, partial-sector restriction, or foreign-carrier suspension — taking effect at any point between now and October 31, 2026. - [2026-09-02] Even when the war escalated again with fresh US strikes on Iran and Iranian retaliation against US bases in Jordan, Bahrain, Kuwait and Iraq, EASA's operational tracker recorded that for Israel & Saudi: The previous Information Notes are unchanged – take potential risk into account, while Iran & Iraq continue to be avoided at all levels. Israeli airspace itself was not among the FIRs closed or newly restricted. - [2026-09-02] The same update stated US-Iran fighting has flared up again as of Sep 2, with new strikes meaning the risk of short-notice disruption is back up again, but most Gulf FIRs are open with tactical routings — Israel is not listed among airspaces that actually closed during this flare-up, only as one under continued generic caution. - [2026-09-02] Country-by-country breakdown explicitly states Israel is open, but ops still aren't back to normal; some foreign airlines have resumed services, but most major US and European operators continue to stay away — an operational, not regulatory, gap, which does not meet the contract's "default prohibition" test. - [2026-09-02] By contrast, the only FIR actually shut to overflights in this update is a neighboring one: Kuwait remains closed to overflights, currently until Oct 2, with only flights arriving or departing OKKK/Kuwait allowed with prior approval — showing the market's specific FIR (Israel) is treated differently from FIRs the authorities have genuinely closed. - [2026-09-29] Extensive live coverage of the war from three independent outlets (Jerusalem Post, Times of Israel, Al Jazeera) covering Gaza strikes, Netanyahu's election warnings, and US-Iran negotiations contains no mention of any new Israeli airspace closure or NOTAM, only continued fighting on other fronts (jpost.com/al Jazeera liveblogs, Sept 29 2026). - [2026-09-29] A US official is reported saying 'constructive' Iran talks continue but nuclear issues delay deal , indicating the current trajectory is active diplomacy rather than a fresh large-scale strike exchange of the kind that triggered the Feb 28 and June 2025 full closures. - [2026-09-29] Trump himself said he does not know if Iran will "give up yet" but characterized Iran as doing poorly, and Qatar's PM discussed the Feb 28 strike history — none of this reporting flags imminent Israeli-airspace action (timesofisrael.com liveblog, Sept 29). - [2026-07/09-02] Contextually, the July 2026 EASA note already reflected a shift from an active intense conflict with a high number of kinetic events to a state of heightened tension, with limited, sporadic and confined kinetic events , and that lower-intensity characterization has persisted through early September without escalation back to Feb-2026-style full closure. - [2026-09-19] The US Embassy Jerusalem's regional caution (previously cited) is tied to Houthi activity against Saudi Arabia, not a direct new Israel-Iran exchange, meaning the marginal near-term risk driver observed in official US guidance is currently centered on a different theater than Israeli airspace itself. - [Precedent] Historically, every qualifying full Israeli FIR closure (Apr 2024 hours, June 2025 weeks, Feb-Apr 2026 weeks) coincided with the opening salvo of a new major offensive operation causing direct missile/drone exchange with Israel; the Sep 2 US strikes did not reproduce that pattern for Israel specifically, evidencing a higher practical threshold than any Iran-US friction. BOTTOM LINE: Through September 29-30, 2026, Israeli airspace has stayed open even through a fresh Sep 2 US-Iran strike escalation that closed/restricted other regional FIRs (e.g., Kuwait), with EASA leaving Israel's advisory unchanged and no credible reporting of any new NOTAM-based general closure; absent a fresh direct Iran-Israel missile exchange reaching Israeli territory (the consistent historical trigger), status-quo inertia strongly favors No through October 31. NOT FOUND: No official IAA/Ministry of Transport statement from the final week of September 2026 explicitly confirming airspace status; no evidence located of a specific new Israel-directed Iranian strike or NOTAM in the Sept 16-30 window beyond the Sep 2 US-Iran exchange that spared Israeli airspace.