ON TIMEBOARD

AA 422 on time

American Airlines 422: Washington to Miami at 8:20 a.m. (past 12 months)

On time
81%
182 flights · likely 75–86%
Cancelled
0.5%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+73 min
average delay
Similar flights
81%
AA, same route & hour

About 1 in 5 AA 422 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.5% were cancelled. The typical flight landed 10 minutes early.

AA 422: DCA → MIA

Scheduled to leave Washington at 8:20 a.m. local time. Over the past year it arrived on time 81% of the time (182 flights), in line with other AA flights on the route at that hour (81%). Last seen in the data Aug 4, 2026.

Month by month

40%70%100%May 2025: 58% on time (31 flights)58MayJun 2025: 80% on time (30 flights)80JunJul 2025: 83% on time (30 flights)83JulAug 2025: 90% on time (31 flights)90AugSep 2025: 70% on time (30 flights)70SepOct 2025: 71% on time (31 flights)71OctNov 2025: too few flights (1 flights)NovApr 2026: 92% on time (24 flights)92AprMay 2026: 81% on time (31 flights)81MayJun 2026: 90% on time (30 flights)90JunJul 2026: 84% on time (31 flights)84JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday2677%
Tuesday2781%
Wednesday2669%
Thursday2681%
Friday2685%
Saturday2696%
Sunday2580%

Why it was late

Airline (crew, maintenance, ops) 56%Air traffic & airport (NAS) 21%Late inbound plane 19%Severe weather 5%

All flights DCA → MIA · Connecting off AA 422? Check the risk

Questions

How often is AA 422 from DCA to MIA late?

American Airlines 422 from Washington, DC to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 19% of 182 scheduled flights between September 2025 and August 2026. 0.5% 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.