Flight OddsUA1537 IAD → DEN
United Airlines · Washington, DC to Denver, CO · 53 flights observed, 2025-10-26 to 2025-12-17 · 1,452 mi
UA1537 covers more than one route in the data window — the stats below are for IAD → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-9 min
90th percentile
+18 min
Cancellation rate
0%
How often is UA1537 on time?
Across 53 flights on IAD → DEN from 2025-10-26 to 2025-12-17, UA1537 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +18 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 | 47 | 89% |
| 16-30 min | 4 | 8% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -26 min |
| 2025-11 | 30 | 93% | -10 min |
| 2025-12 | 17 | 76% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 100% |
| Tue | 8 | 100% |
| Wed | 8 | 88% |
| Thu | 7 | 86% |
| Fri | 7 | 86% |
| Sat | 7 | 71% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…