Flight OddsDL1199 ATL → ORD
Delta Air Lines · Atlanta, GA to Chicago, IL · 315 flights observed, 2025-07-01 to 2026-06-30 · 606 mi
On-time arrival
72%
Median delay
-3 min
90th percentile
+67 min
Cancellation rate
3%
How often is DL1199 on time?
Across 315 flights on ATL → ORD from 2025-07-01 to 2026-06-30, DL1199 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +67 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 | 218 | 72% |
| 16-30 min | 29 | 10% |
| 31-60 min | 23 | 8% |
| 61-120 min | 18 | 6% |
| 2+ hrs | 16 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +24 min |
| 2025-08 | 18 | 78% | +2 min |
| 2025-09 | 13 | 92% | -12 min |
| 2025-10 | 29 | 72% | +7 min |
| 2025-11 | 21 | 52% | +37 min |
| 2025-12 | 19 | 58% | +18 min |
| 2026-01 | 31 | 77% | +14 min |
| 2026-02 | 28 | 75% | +1 min |
| 2026-03 | 28 | 68% | +43 min |
| 2026-04 | 26 | 69% | +27 min |
| 2026-05 | 31 | 84% | +1 min |
| 2026-06 | 29 | 72% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 72% |
| Tue | 39 | 77% |
| Wed | 38 | 68% |
| Thu | 48 | 71% |
| Fri | 47 | 70% |
| Sat | 39 | 77% |
| Sun | 46 | 67% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…