Schedule: FAA flight plans.

AMERICAN · FLIGHT AA 1239 SCHEDULED
Tomorrow

AA 1239 · BOS → ORD

departs 8:58 AM ET · arrives 11:00 AM CT
Forecast issued Tue 8:00 PM ET · 13h before departure

Odds over time

Arrive at ORD more than 15 minutes late?
35% chance · ±5 pts +21 pts · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.8d 2d 1d Now 6h Departs Lands

How late will it get to ORD?

  1. On time or early
    64%
  2. 15–30 min late
    9%
  3. 30 min–1 hour late
    12%
  4. 1–2 hours late
    11%
  5. Over 2 hours late
    2%
  6. Cancelled
    1%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.