UA1555 DCA → ORD

United Airlines · Washington, DC to Chicago, IL · 52 flights observed, 2025-10-26 to 2025-12-17 · 612 mi

This flight has been on time less than half the time (45%) — expect a real chance of a delay.

UA1555 covers more than one route in the data window — the stats below are for DCA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
45%
Median delay
+20 min
90th percentile
+52 min
Cancellation rate
2%

How often is UA1555 on time?

Across 52 flights on DCA → ORD from 2025-10-26 to 2025-12-17, UA1555 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +52 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2345%
16-30 min1122%
31-60 min1325%
61-120 min36%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10633%+22 min
2025-112843%+27 min
2025-121753%+15 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue875%
Wed825%
Thu633%
Fri714%
Sat667%
Sun838%

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