Flight OddsIAD → MIA United Airlines
United Airlines · Washington, DC to Miami, FL · 512 flights, 2025-07-01 to 2026-06-30 · aggregated across 7 flight numbers
On-time arrival
86%
Median delay
-12 min
90th percentile
+23 min
Cancellation rate
1%
How on-time is United Airlines from IAD to MIA?
Across every United Airlines flight number on IAD → MIA (512 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +23 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 439 | 86% |
| 16-30 min | 26 | 5% |
| 31-60 min | 20 | 4% |
| 61-120 min | 10 | 2% |
| 2+ hrs | 13 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +8 min |
| 2025-08 | 31 | 90% | +4 min |
| 2025-09 | 30 | 100% | -8 min |
| 2025-10 | 31 | 94% | -15 min |
| 2025-11 | 30 | 77% | +18 min |
| 2025-12 | 45 | 80% | -1 min |
| 2026-01 | 59 | 83% | -5 min |
| 2026-02 | 56 | 82% | -1 min |
| 2026-03 | 62 | 81% | +13 min |
| 2026-04 | 59 | 86% | -9 min |
| 2026-05 | 44 | 98% | -13 min |
| 2026-06 | 30 | 97% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 73 | 85% |
| Tue | 72 | 88% |
| Wed | 71 | 93% |
| Thu | 74 | 81% |
| Fri | 74 | 86% |
| Sat | 74 | 91% |
| Sun | 70 | 81% |
UA flight numbers on IAD → MIA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…