Flight OddsUA1255 GEG → DEN
United Airlines · Spokane, WA to Denver, CO · 364 flights observed, 2025-07-01 to 2026-06-30 · 836 mi
UA1255 covers more than one route in the data window — the stats below are for GEG → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-6 min
90th percentile
+47 min
Cancellation rate
0%
How often is UA1255 on time?
Across 364 flights on GEG → DEN from 2025-07-01 to 2026-06-30, UA1255 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +47 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 | 283 | 79% |
| 16-30 min | 19 | 5% |
| 31-60 min | 29 | 8% |
| 61-120 min | 16 | 4% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 55% | +32 min |
| 2025-08 | 31 | 61% | +19 min |
| 2025-09 | 30 | 60% | +24 min |
| 2025-10 | 31 | 87% | +8 min |
| 2025-11 | 29 | 79% | +20 min |
| 2025-12 | 31 | 77% | +7 min |
| 2026-01 | 31 | 94% | -9 min |
| 2026-02 | 28 | 89% | +1 min |
| 2026-03 | 31 | 68% | +14 min |
| 2026-04 | 30 | 97% | -13 min |
| 2026-05 | 31 | 97% | -11 min |
| 2026-06 | 28 | 79% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 76% |
| Tue | 52 | 79% |
| Wed | 52 | 75% |
| Thu | 51 | 76% |
| Fri | 51 | 75% |
| Sat | 52 | 79% |
| Sun | 52 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…