About 1 in 9 DL 1571 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (11%); 2.9% were cancelled. The typical flight landed 9 minutes early.
DL 1571: ATL → STL
Scheduled to leave Atlanta at 8:05 a.m. local time. Over the past year it arrived on time 89% of the time (315 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 30, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 48 | 85% |
| Tuesday | 47 | 94% |
| Wednesday | 47 | 89% |
| Thursday | 47 | 91% |
| Friday | 47 | 94% |
| Saturday | 30 | 87% |
| Sunday | 49 | 84% |
Why it was late
All flights ATL → STL · Connecting off DL 1571? Check the risk
DL 1571: STL → ATL
Scheduled to leave St. Louis at 9:59 a.m. local time. Over the past year it arrived on time 91% of the time (311 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 30, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 48 | 88% |
| Tuesday | 47 | 89% |
| Wednesday | 47 | 94% |
| Thursday | 47 | 94% |
| Friday | 47 | 96% |
| Saturday | 26 | 81% |
| Sunday | 49 | 90% |
Why it was late
All flights STL → ATL · Connecting off DL 1571? Check the risk
Questions
How often is DL 1571 from ATL to STL late?
Delta Air Lines 1571 from Atlanta, GA to St. Louis, MO arrived 15 or more minutes late, was diverted or was cancelled on 11% of 315 scheduled flights between September 2025 and August 2026. 2.9% were cancelled.
How often is DL 1571 from STL to ATL late?
Delta Air Lines 1571 from St. Louis, MO to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 9% of 311 scheduled flights between September 2025 and August 2026. 2.9% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.