Flight OddsUA2428 ORD → SAN
United Airlines · Chicago, IL to San Diego, CA · 118 flights observed, 2026-03-05 to 2026-06-30 · 1,723 mi
UA2428 covers more than one route in the data window — the stats below are for ORD → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-15 min
90th percentile
+8 min
Cancellation rate
1%
How often is UA2428 on time?
Across 118 flights on ORD → SAN from 2026-03-05 to 2026-06-30, UA2428 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +8 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 110 | 94% |
| 16-30 min | 2 | 2% |
| 31-60 min | 3 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 26 | 96% | -26 min |
| 2026-04 | 30 | 83% | -2 min |
| 2026-05 | 31 | 100% | -13 min |
| 2026-06 | 30 | 97% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 94% |
| Tue | 17 | 94% |
| Wed | 15 | 100% |
| Thu | 17 | 94% |
| Fri | 17 | 82% |
| Sat | 17 | 100% |
| Sun | 17 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…