ON TIMEBOARD

AA 1624 on time

American Airlines 1624: Dallas to Washington at 9:56 a.m.; Washington to Dallas at 3:46 p.m. (past 12 months). Figures below the title are for DFW → DCA, its busiest leg

On time
78%
180 flights · likely 71–83%
Cancelled
1.7%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+65 min
average delay
Similar flights
75%
AA, same route & hour

About 1 in 5 AA 1624 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (22%); 1.7% were cancelled. The typical flight landed 6 minutes early.

AA 1624: DFW → DCA

Scheduled to leave Dallas at 9:56 a.m. local time. Over the past year it arrived on time 78% of the time (180 flights), in line with other AA flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 60% on time (30 flights)60AprMay 2025: 77% on time (31 flights)77MayJun 2025: 70% on time (30 flights)70JunJul 2025: 65% on time (31 flights)65JulAug 2025: 81% on time (27 flights)81AugSep 2025: 73% on time (30 flights)73SepOct 2025: too few flights (5 flights)OctApr 2026: 83% on time (24 flights)83AprMay 2026: 80% on time (30 flights)80MayJun 2026: 70% on time (30 flights)70JunJul 2026: 83% on time (30 flights)83JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday2665%
Tuesday2681%
Wednesday2669%
Thursday2580%
Friday2673%
Saturday2584%
Sunday2692%

Why it was late

Late inbound plane 51%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 17%Severe weather 1%

All flights DFW → DCA · Connecting off AA 1624? Check the risk

AA 1624: DCA → DFW

Scheduled to leave Washington at 3:46 p.m. local time. Over the past year it arrived on time 74% of the time (146 flights), in line with other AA flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 79% on time (24 flights)79AprMay 2026: 77% on time (31 flights)77MayJun 2026: 73% on time (30 flights)73JunJul 2026: 70% on time (30 flights)70JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday2171%
Tuesday2167%
Wednesday2176%
Thursday2186%
Friday2171%
Saturday2090%
Sunday2157%

Why it was late

Late inbound plane 42%Air traffic & airport (NAS) 30%Severe weather 20%Airline (crew, maintenance, ops) 8%

All flights DCA → DFW · Connecting off AA 1624? Check the risk

Questions

How often is AA 1624 from DFW to DCA late?

American Airlines 1624 from Dallas/Fort Worth, TX to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 22% of 180 scheduled flights between September 2025 and August 2026. 1.7% were cancelled.

How often is AA 1624 from DCA to DFW late?

American Airlines 1624 from Washington, DC to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 26% of 146 scheduled flights between September 2025 and August 2026. 2.7% 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.