Flight OddsDEN → IAD United Airlines
United Airlines · Denver, CO to Washington, DC · 2,797 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers
On-time arrival
85%
Median delay
-9 min
90th percentile
+29 min
Cancellation rate
0%
How on-time is United Airlines from DEN to IAD?
Across every United Airlines flight number on DEN → IAD (2,797 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +29 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,360 | 85% |
| 16-30 min | 153 | 6% |
| 31-60 min | 108 | 4% |
| 61-120 min | 91 | 3% |
| 2+ hrs | 65 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 267 | 67% | +23 min |
| 2025-08 | 253 | 78% | +7 min |
| 2025-09 | 210 | 86% | +1 min |
| 2025-10 | 215 | 93% | -8 min |
| 2025-11 | 205 | 90% | -3 min |
| 2025-12 | 233 | 88% | -4 min |
| 2026-01 | 210 | 89% | -6 min |
| 2026-02 | 205 | 88% | +2 min |
| 2026-03 | 237 | 82% | +7 min |
| 2026-04 | 231 | 95% | -10 min |
| 2026-05 | 254 | 88% | -3 min |
| 2026-06 | 257 | 81% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 408 | 83% |
| Tue | 383 | 89% |
| Wed | 387 | 87% |
| Thu | 404 | 84% |
| Fri | 402 | 86% |
| Sat | 394 | 84% |
| Sun | 399 | 83% |
UA flight numbers on DEN → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…