Flight OddsUA4721 DEN → XWA
United Airlines · Denver, CO to Williston, ND · 17 flights observed, 2026-05-21 to 2026-06-30 · 582 mi
UA4721 covers more than one route in the data window — the stats below are for DEN → XWA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
53%
Median delay
+15 min
90th percentile
+110 min
Cancellation rate
0%
How often is UA4721 on time?
Across 17 flights on DEN → XWA from 2026-05-21 to 2026-06-30, UA4721 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +110 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 | 9 | 53% |
| 16-30 min | 1 | 6% |
| 31-60 min | 3 | 18% |
| 61-120 min | 2 | 12% |
| 2+ hrs | 2 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 73% | +12 min |
| 2026-06 | 6 | 17% | +81 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 2 | 50% |
| Wed | 1 | 100% |
| Thu | 3 | 67% |
| Fri | 3 | 0% |
| Sat | 3 | 33% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…