UA1801 PHL → ORD

United Airlines · Philadelphia, PA to Chicago, IL · 81 flights observed, 2025-10-26 to 2026-02-11 · 678 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -7 min, while the worst 10% run +76 min or later.

UA1801 covers more than one route in the data window — the stats below are for PHL → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-7 min
90th percentile
+76 min
Cancellation rate
1%

How often is UA1801 on time?

Across 81 flights on PHL → ORD from 2025-10-26 to 2026-02-11, UA1801 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +76 min or later. 1% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time6278%
16-30 min56%
31-60 min45%
61-120 min23%
2+ hrs79%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10683%-2 min
2025-112879%+22 min
2025-121580%+27 min
2026-012162%+39 min
2026-0210100%-19 min

Performance by day of week

DayFlightsOn-time
Mon1377%
Tue1493%
Wed1479%
Thu1164%
Fri1182%
Sat560%
Sun1275%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…