About 1 in 3 UA 587 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (31%); 0.4% were cancelled. The typical flight landed 3 minutes late.
UA 587: ORD → IAD
Scheduled to leave Chicago at 2:30 p.m. local time. Over the past year it arrived on time 69% of the time (231 flights), in line with other UA flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 68% |
| Tuesday | 34 | 76% |
| Wednesday | 34 | 65% |
| Thursday | 32 | 75% |
| Friday | 32 | 69% |
| Saturday | 32 | 72% |
| Sunday | 33 | 61% |
Why it was late
All flights ORD → IAD · Connecting off UA 587? Check the risk
UA 587: SNA → ORD
Scheduled to leave Santa Ana at 6:45 a.m. local time. Over the past year it arrived on time 81% of the time (154 flights), worse than other UA flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 81% |
| Tuesday | 25 | 76% |
| Wednesday | 25 | 72% |
| Thursday | 26 | 92% |
| Friday | 26 | 73% |
| Saturday | 26 | 92% |
Why it was late
All flights SNA → ORD · Connecting off UA 587? Check the risk
Questions
How often is UA 587 from ORD to IAD late?
United Airlines 587 from Chicago, IL to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 31% of 231 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.
How often is UA 587 from SNA to ORD late?
United Airlines 587 from Santa Ana, CA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 19% of 154 scheduled flights between September 2025 and August 2026. 1.3% 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.