Flight OddsDL1237 FSD → ATL
Delta Air Lines · Sioux Falls, SD to Atlanta, GA · 365 flights observed, 2025-07-01 to 2026-06-30 · 954 mi
On-time arrival
87%
Median delay
-12 min
90th percentile
+20 min
Cancellation rate
1%
How often is DL1237 on time?
Across 365 flights on FSD → ATL from 2025-07-01 to 2026-06-30, DL1237 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +20 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 | 311 | 87% |
| 16-30 min | 20 | 6% |
| 31-60 min | 5 | 1% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 14 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | -4 min |
| 2025-08 | 31 | 90% | -6 min |
| 2025-09 | 30 | 97% | -9 min |
| 2025-10 | 31 | 71% | +4 min |
| 2025-11 | 28 | 82% | +19 min |
| 2025-12 | 29 | 72% | +32 min |
| 2026-01 | 31 | 90% | -2 min |
| 2026-02 | 28 | 93% | +11 min |
| 2026-03 | 30 | 80% | -2 min |
| 2026-04 | 29 | 97% | -15 min |
| 2026-05 | 30 | 97% | -4 min |
| 2026-06 | 30 | 83% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 84% |
| Tue | 51 | 84% |
| Wed | 52 | 87% |
| Thu | 52 | 90% |
| Fri | 52 | 92% |
| Sat | 52 | 83% |
| Sun | 48 | 88% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…