Flight OddsDL1247 ORD → ATL
Delta Air Lines · Chicago, IL to Atlanta, GA · 361 flights observed, 2025-07-05 to 2026-06-30 · 606 mi
On-time arrival
88%
Median delay
-13 min
90th percentile
+23 min
Cancellation rate
1%
How often is DL1247 on time?
Across 361 flights on ORD → ATL from 2025-07-05 to 2026-06-30, DL1247 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +23 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 315 | 88% |
| 16-30 min | 12 | 3% |
| 31-60 min | 12 | 3% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 85% | +21 min |
| 2025-08 | 30 | 87% | -3 min |
| 2025-09 | 30 | 97% | -6 min |
| 2025-10 | 31 | 94% | -13 min |
| 2025-11 | 30 | 90% | +23 min |
| 2025-12 | 31 | 77% | +13 min |
| 2026-01 | 31 | 81% | -6 min |
| 2026-02 | 28 | 96% | -14 min |
| 2026-03 | 30 | 77% | +2 min |
| 2026-04 | 30 | 87% | +5 min |
| 2026-05 | 31 | 90% | +9 min |
| 2026-06 | 29 | 97% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 86% |
| Tue | 52 | 96% |
| Wed | 51 | 82% |
| Thu | 51 | 96% |
| Fri | 49 | 82% |
| Sat | 52 | 85% |
| Sun | 52 | 88% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…