About 1 in 3 UA 2437 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (32%); 2.2% were cancelled. The typical flight landed 4 minutes early.
UA 2437: ORD → IAD
Scheduled to leave Chicago at 3:53 p.m. local time. Over the past year it arrived on time 68% of the time (135 flights), worse than other UA flights on the route at that hour (73%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 20 | 65% |
| Tuesday | 19 | — |
| Wednesday | 19 | — |
| Thursday | 19 | — |
| Friday | 19 | — |
| Saturday | 19 | — |
| Sunday | 20 | 70% |
Why it was late
All flights ORD → IAD · Connecting off UA 2437? Check the risk
UA 2437: MCI → ORD
Scheduled to leave Kansas City at 11:25 a.m. local time. Over the past year it arrived on time 79% of the time (124 flights), in line with other UA flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 18 | — |
| Tuesday | 17 | — |
| Wednesday | 17 | — |
| Thursday | 18 | — |
| Friday | 18 | — |
| Saturday | 18 | — |
| Sunday | 18 | — |
Why it was late
All flights MCI → ORD · Connecting off UA 2437? Check the risk
Questions
How often is UA 2437 from ORD to IAD late?
United Airlines 2437 from Chicago, IL to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 32% of 135 scheduled flights between September 2025 and August 2026. 2.2% were cancelled.
How often is UA 2437 from MCI to ORD late?
United Airlines 2437 from Kansas City, MO to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 21% of 124 scheduled flights between September 2025 and August 2026. 0.8% 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.