ON TIMEBOARD

DL 1524 on time

Delta Air Lines 1524: St. Louis to Atlanta at 6:00 a.m. (past 12 months)

On time
92%
365 flights · likely 89–95%
Cancelled
1.6%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+78 min
average delay
Similar flights
92%
DL, same route & hour

About 1 in 13 DL 1524 flights from St. Louis arrived 15+ minutes late, diverted or cancelled over the past year (8%); 1.6% were cancelled. The typical flight landed 14 minutes early.

DL 1524: STL → ATL

Scheduled to leave St. Louis at 6:00 a.m. local time. Over the past year it arrived on time 92% of the time (365 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 100% on time (31 flights)100OctNov 2025: 90% on time (30 flights)90NovDec 2025: 94% on time (31 flights)94DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 100% on time (28 flights)100FebMar 2026: 87% on time (31 flights)87MarApr 2026: 90% on time (30 flights)90AprMay 2026: 81% on time (31 flights)81MayJun 2026: 97% on time (30 flights)97JunJul 2026: 97% on time (31 flights)97JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday5290%
Wednesday5296%
Thursday5290%
Friday52100%
Saturday5292%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 83%Air traffic & airport (NAS) 15%Severe weather 2%

All flights STL → ATL · Connecting off DL 1524? Check the risk

Questions

How often is DL 1524 from STL to ATL late?

Delta Air Lines 1524 from St. Louis, MO to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 8% of 365 scheduled flights between September 2025 and August 2026. 1.6% 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.