DL809
Delta Air Lines flight 809 — Atlanta (ATL) to San Jose (SJC)
On time
90%
Avg delay
~71 min
Cancelled
0.7%
DL809 is a reliable flight. About 90% 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 | 90% | 0.0% | 44 min |
| 2026-07 | 74% | 0.0% | 39 min |
| 2026-06 | 97% | 0.0% | 58 min |
| 2026-06 | 87% | 0.0% | 30 min |
| 2026-05 | 90% | 3.2% | 40 min |
| 2026-05 | 87% | 0.0% | 38 min |
| 2026-04 | 86% | 3.3% | 30 min |
| 2026-04 | 100% | 3.3% | 0 min |
| 2026-03 | 97% | 0.0% | 158 min |
| 2026-03 | 87% | 3.2% | 70 min |
| 2026-02 | 86% | 0.0% | 31 min |
| 2026-02 | 96% | 0.0% | 60 min |
Top delay cause
airline operations
Based on 2,381 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.