Tools chosen: kalshi_direct claude_news earnings_data wikipedia kalshi_related polymarket_related code_execution

Sub-questions (Fermi decomposition)

Planner reasoning

This is about United Airlines' 2026 total passengers exceeding 186M. Need to anchor on Kalshi price, check historical passenger counts (2023, 2024, 2025 trajectory), and search for recent guidance or capacity plans.

# Event Will United Airlines Holdings Inc. report above 186 million passengers flown in 2026? # Outcomes to forecast - **Yes**: 2026 passengers > 186 million - **No**: 2026 passengers ≤ 186 million # Kalshi market anchor **Current YES price: 51.00%** — zero volume (0 avg daily contracts), zero price change over 7 or 30 days, only 1 data point. This is a thinly-initialized market with no price discovery; treat as a placeholder, not a consensus signal. # Sub-question answers 1. **Kalshi price for >186M** — 51.00% YES, but with 0 trading volume and 1 data point; no real market consensus established. [kalshi_direct] 2. **Historical passengers** — 2023: ~165M; 2024: ~173.6M; 2025: **181M (record)**. [prnewswire, SEC 8-K, expandedramblings] 3. **2026 capacity guidance** — Original plan cut by ~5 points; Q3/Q4 2026 expected flat to +2% YoY. Gauge expected +2%, 100+ narrowbody and ~20 787 deliveries planned. [SEC 8-K Q1 2026, datainsightsmarket] 4. **YoY passenger growth** — 2022→2023: +14.6%; 2023→2024: +5.2%; 2024→2025: +4.3%. Clear deceleration. To reach 186M from 181M requires only +2.8% growth. [prnewswire, code_execution] 5. **Related markets** — No Polymarket equivalent. Southwest seats >231M priced at 26% on Kalshi (different airline, likely harder threshold). No other airline traffic markets found. [kalshi_related, polymarket_related] # Key facts (high-confidence, factual) 1. [prnewswire 2025 results] United flew 181M passengers in 2025, a company record (~496K/day average) 2. [SEC 8-K Q1 2026] United cut H2 2026 capacity plan by 5 points; Q3/Q4 guided flat to +2% YoY 3. [prnewswire Q1 2026] Q1 2026 operating revenue +10.6% YoY; highest-revenue Q1 ever; demand still strong 4. [prnewswire 2025] 2026 deliveries: 100+ narrowbodies + ~20 787s — significant fleet expansion 5. [quartr] Full-year 2026 EPS guidance widened to $7–$11, reflecting macro uncertainty 6. [datainsightsmarket] Newark disruptions expected ~1pp margin impact into Q3 2026 7. [code_execution] Monte Carlo (2025=181M base, mean 2026 growth ~3.5%, σ=2.5%): P(>186M) ≈ 70–77% # Cross-market signals - **Kalshi (this market)**: 51% YES, illiquid, no discovery value - **Kalshi Southwest seats >231M**: 26% — suggests Kalshi initialized airline metrics conservatively, possibly below fair value - **Polymarket**: No matching markets found - **Sportsbook**: N/A # Analyst opinions and speculation - Growth deceleration pattern is clear but 186M threshold is modest — only +2.8% from 2025's 181M [code_execution] - Monte Carlo weighted-average across bear/base/bull scenarios: ~65–70% [code_execution] - Union negotiations could increase costs or cause disruptions [aerospaceglobalnews] - Fuel cost volatility and macro uncertainty are primary downside risks [quartr] - United Next fleet expansion strategy supports structural growth above trend [datainsightsmarket] # Directional lean per outcome - **Yes (>186M)**: Strong support — only 2.8% growth needed; 4 straight years of growth; massive fleet expansion; Q1 2026 demand strong; historical growth rate well above required hurdle. Monte Carlo P50 ~188–190M. - **No (≤186M)**: H2 capacity cut 5 points; flat to +2% YoY guided for Q3/Q4; Newark disruption overhang; recession/macro tail risk; if H2 demand craters, full-year total could stall below 186M. # Gaps / unknowns - Q2/Q3/Q4 2026 actual passenger counts not yet reported (market closes March 2028) - Magnitude of demand softening from tariff uncertainty or potential recession unknown - Whether United will further revise capacity guidance downward - Load factor trajectory in H2 2026 (gauge up 2% helps even with flat ASMs) # Calibration anchors - **Kalshi anchor**: 51% (illiquid, unreliable) - **Quantitative model**: 65–77% depending on assumptions; weighted base ~68–70% - **Key comparison**: 186M = only 2.8% above 2025 actual; recent growth has averaged 4–5%; even with capacity cuts to flat/+2%, load factor and gauge gains can deliver passenger growth - **Base rate**: United has grown passengers every year since 2020 recovery; only a significant demand shock would miss this threshold **Recommended fair value: ~65–70% YES**, materially above the 51% Kalshi placeholder.

1. Both forecasters correctly identify the 2.8% growth hurdle but neither adequately stress-tests the H2 capacity cut scenario: if Q3/Q4 are truly flat YoY in ASMs and load factors soften even modestly amid tariff/macro uncertainty, H2 2026 passengers could actually decline YoY, leaving full-year growth well under 2.8% — a scenario the brief flags but neither forecast quantifies in terms of implied passenger counts. 2. Neither forecaster distinguishes between ASM capacity guidance (flat to +2%) and passenger growth, which also depends on load factor and gauge; the brief notes gauge is expected up ~2%, but load factor trajectory in H2 is explicitly listed as unknown, and both forecasters treat gauge gains as a reliable offset without acknowledging that load factor compression (common in demand-softening environments) could neutralize gauge benefits entirely. 3. Both forecasters anchor heavily on the Monte Carlo output (65–77%) without critically examining its assumption of ~3.5% mean growth — this mean was calibrated before the 5-point H2 capacity cut was fully incorporated, meaning the model may be stale and upward-biased relative to current guidance. 4. The Newark disruption impact (~1pp margin, per the brief) is mentioned in passing by both but neither translates it into a passenger count estimate; Newark is United's largest hub, and multi-quarter operational disruptions historically reduce load factors and demand meaningfully beyond the margin impact cited. 5. Neither forecaster considers the asymmetry of reporting timing: the market closes March 2028 and 2026 annual results would typically be reported in early 2027, meaning there is over a year of potential further downward guidance revisions, recession developments, or airline industry shocks that could materialize — the uncertainty window is longer than a typical annual forecast, warranting slightly wider error bars than both forecasters apply. 6. Both forecasts converge very tightly (67% vs. 68%), suggesting they are both anchoring primarily on the brief's "recommended fair value" of 65–70% rather than independently weighting the sub-questions, which raises the question of whether either has truly stress-tested the No case where a mild U.S. recession (historically reduces air travel ~5–10%) alone could push 2026 passengers to ~172–177M, far below 186M.

63% (50% confidence)

Yes: 63% No: 37%

Only 2.8% growth needed from 2025's 181M record, with fleet expansion and gauge gains supporting the hurdle. However, the critique's points on H2 capacity cuts, load factor risk, Newark disruption, and macro/recession tail risk justify pulling slightly below the 67-68% consensus. Final ~63% YES, materially above the illiquid 51% Kalshi anchor but with wider error bars.

Total pipeline time: 130.2s