DL1131 ATL → IAH
Delta Air Lines · Atlanta, GA to Houston, TX · 173 flights observed, 2025-07-06 to 2026-06-30 · 689 mi
DL1131 covers more than one route in the data window — the stats below are for ATL → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
60%
Median delay
+6 min
90th percentile
+75 min
Cancellation rate
1%
How often is DL1131 on time?
Across 173 flights on ATL → IAH from 2025-07-06 to 2026-06-30, DL1131 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +75 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 102 | 60% |
| 16-30 min | 21 | 12% |
| 31-60 min | 22 | 13% |
| 61-120 min | 16 | 9% |
| 2+ hrs | 10 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 15 | 33% | +49 min |
| 2025-08 | 14 | 50% | +42 min |
| 2025-09 | 12 | 92% | -10 min |
| 2025-10 | 17 | 59% | +22 min |
| 2026-03 | 22 | 64% | +13 min |
| 2026-04 | 30 | 77% | +11 min |
| 2026-05 | 31 | 52% | +24 min |
| 2026-06 | 30 | 53% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 70% |
| Tue | 17 | 71% |
| Wed | 16 | 50% |
| Thu | 30 | 47% |
| Fri | 30 | 57% |
| Sat | 16 | 63% |
| Sun | 32 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…