Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 455SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 455 · PIT → ORD
departs 10:54 AM ET · arrives 11:42 AM CT
Forecast issued Fri 2:00 AM ET · 33h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
8%chance · ±0 pts−2 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
3%
1–2 hours late
<1%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.