Flight OddsUA2271 DEN → SEA
United Airlines · Denver, CO to Seattle, WA · 314 flights observed, 2025-08-19 to 2026-06-30 · 1,024 mi
UA2271 covers more than one route in the data window — the stats below are for DEN → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-11 min
90th percentile
+14 min
Cancellation rate
1%
How often is UA2271 on time?
Across 314 flights on DEN → SEA from 2025-08-19 to 2026-06-30, UA2271 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +14 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 | 283 | 91% |
| 16-30 min | 13 | 4% |
| 31-60 min | 10 | 3% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 77% | +8 min |
| 2025-09 | 30 | 93% | -10 min |
| 2025-10 | 31 | 87% | -4 min |
| 2025-11 | 26 | 88% | -7 min |
| 2025-12 | 31 | 87% | -2 min |
| 2026-01 | 31 | 94% | -13 min |
| 2026-02 | 27 | 100% | -14 min |
| 2026-03 | 31 | 87% | -1 min |
| 2026-04 | 30 | 100% | -13 min |
| 2026-05 | 31 | 94% | -13 min |
| 2026-06 | 30 | 87% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 91% |
| Tue | 45 | 89% |
| Wed | 43 | 93% |
| Thu | 45 | 89% |
| Fri | 43 | 88% |
| Sat | 45 | 91% |
| Sun | 45 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…