DL1147
Delta Air Lines flight 1147 — Chicago (ORD) to Atlanta (ATL)
On time
81%
Avg delay
~63 min
Cancelled
1.5%
DL1147 is a reliable flight. About 81% 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% | 3.2% | 30 min |
| 2026-07 | 76% | 6.5% | 36 min |
| 2026-06 | 93% | 0.0% | 81 min |
| 2026-06 | 90% | 0.0% | 80 min |
| 2026-05 | 88% | 3.7% | 94 min |
| 2026-05 | 88% | 3.8% | 84 min |
| 2026-04 | 77% | 0.0% | 33 min |
| 2026-04 | 80% | 0.0% | 66 min |
| 2026-03 | 67% | 12.9% | 42 min |
| 2026-03 | 59% | 12.9% | 77 min |
| 2026-02 | 82% | 0.0% | 21 min |
| 2026-02 | 89% | 0.0% | 29 min |
Top delay cause
airline operations
Based on 2,433 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.