About 1 in 9 UA 1077 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.9% were cancelled. The typical flight landed 13 minutes early.
UA 1077: ORD → DCA
Scheduled to leave Chicago at 6:00 a.m. local time. Over the past year it arrived on time 89% of the time (315 flights), in line with other UA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 85% |
| Tuesday | 51 | 94% |
| Wednesday | 49 | 96% |
| Thursday | 50 | 88% |
| Friday | 48 | 88% |
| Saturday | 15 | — |
| Sunday | 50 | 86% |
Why it was late
All flights ORD → DCA · Connecting off UA 1077? Check the risk
Questions
How often is UA 1077 from ORD to DCA late?
United Airlines 1077 from Chicago, IL to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 11% of 315 scheduled flights between September 2025 and August 2026. 1.9% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.