ON TIMEBOARD

AA 1177 on time

American Airlines 1177: Washington to Dallas at 12:59 p.m.; Dallas to Washington at 9:23 a.m. (past 12 months). Figures below the title are for DCA → DFW, its busiest leg

On time
76%
363 flights · likely 72–80%
Cancelled
1.9%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+76 min
average delay
Similar flights
76%
AA, same route & hour

About 1 in 4 AA 1177 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (24%); 1.9% were cancelled. The typical flight landed 10 minutes early.

AA 1177: DCA → DFW

Scheduled to leave Washington at 12:59 p.m. local time. Over the past year it arrived on time 76% of the time (363 flights), in line with other AA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 74% on time (31 flights)74OctNov 2025: 79% on time (29 flights)79NovDec 2025: 77% on time (31 flights)77DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 74% on time (31 flights)74MarApr 2026: 83% on time (30 flights)83AprMay 2026: 68% on time (31 flights)68MayJun 2026: 73% on time (30 flights)73JunJul 2026: 70% on time (30 flights)70JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday5273%
Wednesday5277%
Thursday5175%
Friday5281%
Saturday5186%
Sunday5267%

Why it was late

Late inbound plane 39%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 17%Severe weather 11%

All flights DCA → DFW · Connecting off AA 1177? Check the risk

AA 1177: DFW → DCA

Scheduled to leave Dallas at 9:23 a.m. local time. Over the past year it arrived on time 82% of the time (302 flights), in line with other AA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: too few flights (9 flights)OctNov 2025: 83% on time (29 flights)83NovDec 2025: 81% on time (31 flights)81DecJan 2026: too few flights (5 flights)JanFeb 2026: 71% on time (17 flights)71FebMar 2026: 74% on time (31 flights)74MarApr 2026: 87% on time (30 flights)87AprMay 2026: 73% on time (30 flights)73MayJun 2026: 83% on time (30 flights)83JunJul 2026: 77% on time (30 flights)77JulAug 2026: 93% on time (30 flights)93Aug

By day of week

DayFlightsOn time
Monday4873%
Tuesday4276%
Wednesday4281%
Thursday4286%
Friday4386%
Saturday4288%
Sunday4384%

Why it was late

Late inbound plane 43%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 17%Severe weather 7%

All flights DFW → DCA · Connecting off AA 1177? Check the risk

Questions

How often is AA 1177 from DCA to DFW late?

American Airlines 1177 from Washington, DC to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 24% of 363 scheduled flights between September 2025 and August 2026. 1.9% were cancelled.

How often is AA 1177 from DFW to DCA late?

American Airlines 1177 from Dallas/Fort Worth, TX to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 18% of 302 scheduled flights between September 2025 and August 2026. 2.0% 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.