Flight OddsUA2859 SEA → DEN
United Airlines · Seattle, WA to Denver, CO · 42 flights observed, 2025-07-01 to 2025-08-18 · 1,024 mi
UA2859 covers more than one route in the data window — the stats below are for SEA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
55%
Median delay
+11 min
90th percentile
+87 min
Cancellation rate
0%
How often is UA2859 on time?
Across 42 flights on SEA → DEN from 2025-07-01 to 2025-08-18, UA2859 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +87 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 | 22 | 55% |
| 16-30 min | 5 | 13% |
| 31-60 min | 6 | 15% |
| 61-120 min | 4 | 10% |
| 2+ hrs | 3 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 50% | +42 min |
| 2025-08 | 14 | 64% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 7 | 57% |
| Wed | 7 | 71% |
| Thu | 7 | 29% |
| Fri | 7 | 29% |
| Sat | No data | — |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…