UA1315 DEN → STL
United Airlines · Denver, CO to St. Louis, MO · 258 flights observed, 2025-07-01 to 2026-05-20 · 770 mi
UA1315 covers more than one route in the data window — the stats below are for DEN → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-10 min
90th percentile
+24 min
Cancellation rate
0%
How often is UA1315 on time?
Across 258 flights on DEN → STL from 2025-07-01 to 2026-05-20, UA1315 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +24 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 | 223 | 87% |
| 16-30 min | 13 | 5% |
| 31-60 min | 5 | 2% |
| 61-120 min | 13 | 5% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +8 min |
| 2025-08 | 31 | 94% | -4 min |
| 2025-09 | 30 | 93% | -7 min |
| 2025-10 | 31 | 97% | -13 min |
| 2025-11 | 28 | 93% | -5 min |
| 2025-12 | 17 | 88% | -3 min |
| 2026-01 | 16 | 88% | +2 min |
| 2026-02 | 17 | 94% | -6 min |
| 2026-03 | 21 | 62% | +21 min |
| 2026-04 | 22 | 82% | +1 min |
| 2026-05 | 14 | 79% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 37 | 78% |
| Tue | 24 | 96% |
| Wed | 45 | 87% |
| Thu | 42 | 90% |
| Fri | 42 | 83% |
| Sat | 24 | 96% |
| Sun | 43 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…