Flight OddsDL1147 ATL → ORD
Delta Air Lines · Atlanta, GA to Chicago, IL · 360 flights observed, 2025-07-01 to 2026-06-30 · 606 mi
DL1147 covers more than one route in the data window — the stats below are for ATL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-3 min
90th percentile
+30 min
Cancellation rate
3%
How often is DL1147 on time?
Across 360 flights on ATL → ORD from 2025-07-01 to 2026-06-30, DL1147 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +30 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 275 | 79% |
| 16-30 min | 39 | 11% |
| 31-60 min | 17 | 5% |
| 61-120 min | 7 | 2% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 86% | +2 min |
| 2025-08 | 31 | 94% | -2 min |
| 2025-09 | 30 | 97% | -3 min |
| 2025-10 | 30 | 80% | +5 min |
| 2025-11 | 30 | 67% | +13 min |
| 2025-12 | 30 | 53% | +19 min |
| 2026-01 | 28 | 71% | +11 min |
| 2026-02 | 28 | 82% | +2 min |
| 2026-03 | 25 | 64% | +16 min |
| 2026-04 | 30 | 77% | +3 min |
| 2026-05 | 26 | 88% | +5 min |
| 2026-06 | 29 | 93% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 78% |
| Tue | 49 | 76% |
| Wed | 51 | 88% |
| Thu | 52 | 77% |
| Fri | 51 | 76% |
| Sat | 44 | 77% |
| Sun | 49 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…