Flight OddsUA1591 IAH → MIA
United Airlines · Houston, TX to Miami, FL · 48 flights observed, 2025-07-01 to 2025-08-18 · 964 mi
UA1591 covers more than one route in the data window — the stats below are for IAH → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
+8 min
90th percentile
+79 min
Cancellation rate
0%
How often is UA1591 on time?
Across 48 flights on IAH → MIA from 2025-07-01 to 2025-08-18, UA1591 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +79 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 | 27 | 56% |
| 16-30 min | 9 | 19% |
| 31-60 min | 3 | 6% |
| 61-120 min | 8 | 17% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 43% | +28 min |
| 2025-08 | 18 | 78% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 43% |
| Tue | 7 | 71% |
| Wed | 7 | 57% |
| Thu | 7 | 29% |
| Fri | 6 | 67% |
| Sat | 7 | 57% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…