Flight OddsUA5638 XWA → DEN
United Airlines · Williston, ND to Denver, CO · 8 flights observed, 2026-05-21 to 2026-05-31 · 582 mi
UA5638 covers more than one route in the data window — the stats below are for XWA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
38%
Median delay
+31 min
90th percentile
+111 min
Cancellation rate
0%
How often is UA5638 on time?
Across 8 flights on XWA → DEN from 2026-05-21 to 2026-05-31, UA5638 arrived within 15 minutes of schedule 38% of the time. The median arrival delay was +31 min, and the worst 10% of flights arrived +111 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 | 3 | 38% |
| 16-30 min | 1 | 13% |
| 31-60 min | 1 | 13% |
| 61-120 min | 2 | 25% |
| 2+ hrs | 1 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 8 | 38% | +40 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 0% |
| Tue | 1 | 100% |
| Wed | 1 | 0% |
| Thu | 2 | 50% |
| Fri | 2 | 0% |
| Sat | No data | — |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…