Flight OddsDL1240 ATL → DTW
Delta Air Lines · Atlanta, GA to Detroit, MI · 365 flights observed, 2025-07-01 to 2026-06-30 · 594 mi
On-time arrival
85%
Median delay
-5 min
90th percentile
+29 min
Cancellation rate
0%
How often is DL1240 on time?
Across 365 flights on ATL → DTW from 2025-07-01 to 2026-06-30, DL1240 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +29 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 308 | 85% |
| 16-30 min | 22 | 6% |
| 31-60 min | 14 | 4% |
| 61-120 min | 15 | 4% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +5 min |
| 2025-08 | 31 | 90% | -2 min |
| 2025-09 | 30 | 87% | -1 min |
| 2025-10 | 31 | 84% | +4 min |
| 2025-11 | 29 | 93% | -3 min |
| 2025-12 | 31 | 74% | +14 min |
| 2026-01 | 31 | 81% | +13 min |
| 2026-02 | 28 | 75% | +10 min |
| 2026-03 | 31 | 87% | +4 min |
| 2026-04 | 30 | 87% | +0 min |
| 2026-05 | 31 | 87% | -3 min |
| 2026-06 | 30 | 87% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 90% |
| Tue | 53 | 81% |
| Wed | 52 | 94% |
| Thu | 52 | 87% |
| Fri | 52 | 85% |
| Sat | 52 | 79% |
| Sun | 51 | 76% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…