Flight OddsMIA → IAD United Airlines
United Airlines · Miami, FL to Washington, DC · 512 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
83%
Median delay
-10 min
90th percentile
+43 min
Cancellation rate
0%
How on-time is United Airlines from MIA to IAD?
Across every United Airlines flight number on MIA → IAD (512 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +43 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 423 | 83% |
| 16-30 min | 23 | 5% |
| 31-60 min | 25 | 5% |
| 61-120 min | 18 | 4% |
| 2+ hrs | 20 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +19 min |
| 2025-08 | 31 | 77% | +13 min |
| 2025-09 | 30 | 97% | -14 min |
| 2025-10 | 31 | 87% | -7 min |
| 2025-11 | 30 | 70% | +13 min |
| 2025-12 | 45 | 87% | +13 min |
| 2026-01 | 59 | 83% | -4 min |
| 2026-02 | 56 | 79% | +7 min |
| 2026-03 | 62 | 69% | +30 min |
| 2026-04 | 59 | 92% | -9 min |
| 2026-05 | 45 | 93% | -11 min |
| 2026-06 | 30 | 100% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 71 | 86% |
| Tue | 72 | 90% |
| Wed | 74 | 85% |
| Thu | 74 | 91% |
| Fri | 74 | 80% |
| Sat | 74 | 82% |
| Sun | 70 | 67% |
UA flight numbers on MIA → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…