Flight OddsIAH → ATL Delta Air Lines
Delta Air Lines · Houston, TX to Atlanta, GA · 2,507 flights, 2025-07-01 to 2026-06-30 · aggregated across 20 flight numbers
On-time arrival
81%
Median delay
-6 min
90th percentile
+38 min
Cancellation rate
2%
How on-time is Delta Air Lines from IAH to ATL?
Across every Delta Air Lines flight number on IAH → ATL (2,507 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +38 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,985 | 81% |
| 16-30 min | 176 | 7% |
| 31-60 min | 131 | 5% |
| 61-120 min | 104 | 4% |
| 2+ hrs | 58 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 222 | 74% | +9 min |
| 2025-08 | 218 | 83% | +5 min |
| 2025-09 | 208 | 94% | -11 min |
| 2025-10 | 227 | 80% | +5 min |
| 2025-11 | 193 | 85% | +3 min |
| 2025-12 | 188 | 79% | +10 min |
| 2026-01 | 168 | 83% | +5 min |
| 2026-02 | 162 | 89% | -1 min |
| 2026-03 | 186 | 70% | +15 min |
| 2026-04 | 219 | 84% | +1 min |
| 2026-05 | 239 | 75% | +13 min |
| 2026-06 | 224 | 75% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 365 | 78% |
| Tue | 353 | 80% |
| Wed | 348 | 85% |
| Thu | 367 | 82% |
| Fri | 365 | 83% |
| Sat | 302 | 83% |
| Sun | 354 | 75% |
DL flight numbers on IAH → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…