Schedule: the flights that flew on Tuesday, Oct 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1239SCHEDULED · TYPICAL SCHEDULE
UA 1239 · JAX → ORD
departs 9:39 AM ET · arrives 11:33 AM CT
Forecast issued Sun 8:00 PM ET · 38h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
7%chance · ±1 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ORD?
On time or early
92%
15–30 min late
2%
30 min–1 hour late
2%
1–2 hours late
1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.