Flight OddsUA1591 IAH → ATL
United Airlines · Houston, TX to Atlanta, GA · 63 flights observed, 2026-02-12 to 2026-05-20 · 689 mi
UA1591 covers more than one route in the data window — the stats below are for IAH → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-2 min
90th percentile
+28 min
Cancellation rate
0%
How often is UA1591 on time?
Across 63 flights on IAH → ATL from 2026-02-12 to 2026-05-20, UA1591 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +28 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 | 50 | 79% |
| 16-30 min | 7 | 11% |
| 31-60 min | 3 | 5% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 12 | 92% | -2 min |
| 2026-03 | 5 | 80% | 0 min |
| 2026-04 | 26 | 77% | +14 min |
| 2026-05 | 20 | 75% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 100% |
| Tue | 3 | 100% |
| Wed | 11 | 82% |
| Thu | 10 | 60% |
| Fri | 10 | 80% |
| Sat | 7 | 57% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…