Schedule: the flights that flew on Tuesday, Sep 29, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1803SCHEDULED · TYPICAL SCHEDULE
UA 1803 · PIT → ORD
departs 6:58 AM ET · arrives 7:38 AM CT
Forecast issued Sat 4:00 PM ET · 63h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
8%chance · ±1 pts−5 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
5%
30 min–1 hour late
<1%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.