Flight OddsUA1940 DEN → SAN
United Airlines · Denver, CO to San Diego, CA · 316 flights observed, 2025-08-19 to 2026-06-30 · 853 mi
UA1940 covers more than one route in the data window — the stats below are for DEN → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-6 min
90th percentile
+35 min
Cancellation rate
0%
How often is UA1940 on time?
Across 316 flights on DEN → SAN from 2025-08-19 to 2026-06-30, UA1940 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +35 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 261 | 83% |
| 16-30 min | 17 | 5% |
| 31-60 min | 25 | 8% |
| 61-120 min | 8 | 3% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 92% | -2 min |
| 2025-09 | 30 | 80% | +7 min |
| 2025-10 | 31 | 81% | +2 min |
| 2025-11 | 30 | 80% | +7 min |
| 2025-12 | 31 | 84% | +8 min |
| 2026-01 | 31 | 87% | -3 min |
| 2026-02 | 28 | 89% | -5 min |
| 2026-03 | 31 | 87% | -9 min |
| 2026-04 | 30 | 87% | -3 min |
| 2026-05 | 31 | 81% | +2 min |
| 2026-06 | 30 | 67% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 93% |
| Tue | 46 | 91% |
| Wed | 45 | 78% |
| Thu | 45 | 69% |
| Fri | 45 | 71% |
| Sat | 45 | 91% |
| Sun | 45 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…