DL1509
Delta Air Lines flight 1509 — Atlanta (ATL) to Houston (HOU)
On time
88%
Avg delay
~60 min
Cancelled
1.6%
DL1509 is a reliable flight. About 88% of departures arrive on time. When delays happen, the most common cause is airline operations.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 97% | 3.2% | 44 min |
| 2026-07 | 87% | 3.2% | 29 min |
| 2026-06 | 93% | 0.0% | 19 min |
| 2026-06 | 87% | 0.0% | 171 min |
| 2026-05 | 82% | 9.7% | 58 min |
| 2026-05 | 86% | 9.7% | 63 min |
| 2026-04 | 97% | 0.0% | 50 min |
| 2026-04 | 97% | 0.0% | 52 min |
| 2026-03 | 96% | 12.9% | 23 min |
| 2026-03 | 93% | 9.7% | 49 min |
| 2026-02 | 82% | 0.0% | 94 min |
| 2026-02 | 82% | 0.0% | 90 min |
Top delay cause
airline operations
Based on 2,352 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.