Flight OddsPWM → IAD United Airlines
United Airlines · Portland, ME to Washington, DC · 1,157 flights, 2025-07-01 to 2026-06-30 · aggregated across 37 flight numbers
On-time arrival
82%
Median delay
-10 min
90th percentile
+44 min
Cancellation rate
2%
How on-time is United Airlines from PWM to IAD?
Across every United Airlines flight number on PWM → IAD (1,157 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +44 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 931 | 82% |
| 16-30 min | 52 | 5% |
| 31-60 min | 47 | 4% |
| 61-120 min | 52 | 5% |
| 2+ hrs | 47 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 110 | 81% | +6 min |
| 2025-08 | 111 | 87% | -1 min |
| 2025-09 | 94 | 84% | +1 min |
| 2025-10 | 115 | 83% | +7 min |
| 2025-11 | 107 | 84% | +7 min |
| 2025-12 | 89 | 53% | +53 min |
| 2026-01 | 66 | 71% | +21 min |
| 2026-02 | 53 | 81% | -1 min |
| 2026-03 | 65 | 88% | +3 min |
| 2026-04 | 89 | 90% | -11 min |
| 2026-05 | 117 | 94% | -10 min |
| 2026-06 | 113 | 86% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 161 | 80% |
| Tue | 157 | 85% |
| Wed | 154 | 82% |
| Thu | 166 | 82% |
| Fri | 170 | 84% |
| Sat | 154 | 85% |
| Sun | 167 | 79% |
UA flight numbers on PWM → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…