Flight OddsDL1571 ATL → STL
Delta Air Lines · Atlanta, GA to St. Louis, MO · 319 flights observed, 2025-07-04 to 2026-06-26 · 484 mi
DL1571 covers more than one route in the data window — the stats below are for ATL → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-10 min
90th percentile
+11 min
Cancellation rate
3%
How often is DL1571 on time?
Across 319 flights on ATL → STL from 2025-07-04 to 2026-06-26, DL1571 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +11 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 | 285 | 92% |
| 16-30 min | 11 | 4% |
| 31-60 min | 7 | 2% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 100% | -11 min |
| 2025-08 | 25 | 92% | -8 min |
| 2025-09 | 21 | 95% | -7 min |
| 2025-10 | 24 | 83% | +1 min |
| 2025-11 | 14 | 100% | -12 min |
| 2025-12 | 29 | 86% | -1 min |
| 2026-01 | 29 | 90% | -4 min |
| 2026-02 | 27 | 100% | -9 min |
| 2026-03 | 30 | 87% | +5 min |
| 2026-04 | 28 | 89% | -3 min |
| 2026-05 | 31 | 90% | -6 min |
| 2026-06 | 24 | 96% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 87% |
| Tue | 45 | 93% |
| Wed | 45 | 91% |
| Thu | 45 | 98% |
| Fri | 47 | 94% |
| Sat | 36 | 94% |
| Sun | 46 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…