Flight OddsIAH → ATL United Airlines
United Airlines · Houston, TX to Atlanta, GA · 1,664 flights, 2025-07-01 to 2026-06-30 · aggregated across 57 flight numbers
On-time arrival
82%
Median delay
-7 min
90th percentile
+38 min
Cancellation rate
1%
How on-time is United Airlines from IAH to ATL?
Across every United Airlines flight number on IAH → ATL (1,664 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +38 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,359 | 82% |
| 16-30 min | 97 | 6% |
| 31-60 min | 88 | 5% |
| 61-120 min | 57 | 3% |
| 2+ hrs | 48 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 150 | 66% | +23 min |
| 2025-08 | 146 | 80% | +5 min |
| 2025-09 | 136 | 91% | -6 min |
| 2025-10 | 144 | 88% | +0 min |
| 2025-11 | 140 | 81% | +9 min |
| 2025-12 | 140 | 90% | +3 min |
| 2026-01 | 135 | 90% | -5 min |
| 2026-02 | 126 | 92% | -5 min |
| 2026-03 | 138 | 79% | +14 min |
| 2026-04 | 146 | 84% | +3 min |
| 2026-05 | 136 | 74% | +10 min |
| 2026-06 | 112 | 74% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 239 | 82% |
| Tue | 219 | 87% |
| Wed | 247 | 83% |
| Thu | 248 | 86% |
| Fri | 242 | 75% |
| Sat | 212 | 83% |
| Sun | 242 | 81% |
UA flight numbers on IAH → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…