ON TIMEBOARD

AA 1308 on time

American Airlines 1308: St. Louis to Philadelphia at 6:00 a.m. (past 12 months)

On time
90%
175 flights · likely 85–94%
Cancelled
0.6%
of scheduled flights
Typical arrival
−17 min
median vs schedule
When late
+118 min
average delay
Similar flights
88%
AA, same route & hour

About 1 in 10 AA 1308 flights from St. Louis arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.6% were cancelled. The typical flight landed 17 minutes early.

AA 1308: STL → PHL

Scheduled to leave St. Louis at 6:00 a.m. local time. Over the past year it arrived on time 90% of the time (175 flights), in line with other AA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 96% on time (26 flights)96AprMay 2025: 90% on time (30 flights)90MayJun 2025: 85% on time (20 flights)85JunJul 2025: 71% on time (17 flights)71JulAug 2025: 86% on time (29 flights)86AugSep 2025: 97% on time (30 flights)97SepOct 2025: too few flights (5 flights)OctApr 2026: 87% on time (23 flights)87AprMay 2026: 83% on time (29 flights)83MayJun 2026: 93% on time (30 flights)93JunJul 2026: 87% on time (31 flights)87JulAug 2026: 93% on time (27 flights)93Aug

By day of week

DayFlightsOn time
Monday2681%
Tuesday2592%
Wednesday2688%
Thursday2592%
Friday2696%
Saturday2295%
Sunday2588%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 43%Severe weather 10%Air traffic & airport (NAS) 1%

All flights STL → PHL · Connecting off AA 1308? Check the risk

Questions

How often is AA 1308 from STL to PHL late?

American Airlines 1308 from St. Louis, MO to Philadelphia, PA arrived 15 or more minutes late, was diverted or was cancelled on 10% of 175 scheduled flights between September 2025 and August 2026. 0.6% 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 American Airlines for today's flight. Method.