DL391
Delta Air Lines flight 391 — Atlanta (ATL) to Reno (RNO)
On time
70%
Avg delay
~74 min
Cancelled
1.5%
DL391 is fairly reliable, though delays happen. About 70% 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 | 70% | 3.2% | 56 min |
| 2026-07 | 73% | 3.2% | 56 min |
| 2026-06 | 80% | 0.0% | 58 min |
| 2026-06 | 83% | 0.0% | 85 min |
| 2026-05 | 77% | 0.0% | 64 min |
| 2026-05 | 77% | 0.0% | 57 min |
| 2026-04 | 63% | 0.0% | 57 min |
| 2026-04 | 73% | 0.0% | 57 min |
| 2026-03 | 72% | 0.0% | 75 min |
| 2026-03 | 71% | 3.4% | 81 min |
| 2026-02 | 55% | 0.0% | 38 min |
| 2026-02 | 70% | 0.0% | 65 min |
Top delay cause
airline operations
Based on 1,780 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.