DL1739
Delta Air Lines flight 1739 — Atlanta (ATL) to Chicago (MDW)
On time
80%
Avg delay
~68 min
Cancelled
1.6%
DL1739 is a reliable flight. About 80% of departures arrive on time. When delays happen, the most common cause is airline operations.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-05 | 100% | 0.0% | 0 min |
| 2026-04 | 67% | 0.0% | 52 min |
| 2026-04 | 92% | 0.0% | 20 min |
| 2026-03 | 83% | 0.0% | 16 min |
| 2026-03 | 83% | 0.0% | 48 min |
| 2026-03 | 78% | 4.2% | 86 min |
| 2026-02 | 92% | 0.0% | 21 min |
| 2026-02 | 92% | 0.0% | 37 min |
| 2026-02 | 100% | 0.0% | 0 min |
| 2026-01 | 100% | 0.0% | 0 min |
| 2026-01 | 67% | 0.0% | 66 min |
| 2026-01 | 100% | 0.0% | 0 min |
Top delay cause
airline operations
Based on 1,925 tracked departures
Flying DL1739? Get a free briefing.
Weather, delays, and what to expect — sent to your inbox before your flight.
Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.