DL1571 STL → ATL

Delta Air Lines · St. Louis, MO to Atlanta, GA · 315 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 STL → ATL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
94%
Median delay
-16 min
90th percentile
+3 min
Cancellation rate
3%

How often is DL1571 on time?

Across 315 flights on STL → ATL from 2025-07-04 to 2026-06-26, DL1571 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +3 min or later. 3% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time28894%
16-30 min52%
31-60 min62%
61-120 min31%
2+ hrs41%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072896%-10 min
2025-0825100%-16 min
2025-0918100%-13 min
2025-102387%-8 min
2025-111493%-9 min
2025-122986%-11 min
2026-012997%-14 min
2026-022796%-16 min
2026-033093%-5 min
2026-042889%-7 min
2026-053197%-10 min
2026-062496%+6 min

Performance by day of week

DayFlightsOn-time
Mon4687%
Tue4593%
Wed4596%
Thu4598%
Fri4796%
Sat3294%
Sun4696%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…