About 1 in 10 UA 1457 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.7% were cancelled. The typical flight landed 14 minutes early.
UA 1457: SAN → ORD
Scheduled to leave San Diego at 10:40 p.m. local time. Over the past year it arrived on time 90% of the time (153 flights), in line with other UA flights on the route at that hour (93%). Last seen in the data Aug 10, 2026.
Usually United Airlines's last flight of the day from San Diego to Chicago (100% of days). United Airlines's last SAN–ORD flight was cancelled 0.5% of the time, against 0.5% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:40 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 20 | 80% |
| Tuesday | 19 | — |
| Wednesday | 22 | 100% |
| Thursday | 23 | 91% |
| Friday | 23 | 91% |
| Saturday | 23 | 91% |
| Sunday | 23 | 83% |
Why it was late
All flights SAN → ORD · Connecting off UA 1457? Check the risk
Questions
How often is UA 1457 from SAN to ORD late?
United Airlines 1457 from San Diego, CA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 10% of 153 scheduled flights between September 2025 and August 2026. 0.7% 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.