ON TIMEBOARD

AA 1021 on time

American Airlines 1021: Sacramento to Dallas at 6:42 a.m. (past 12 months)

On time
84%
209 flights · likely 78–88%
Cancelled
1.9%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+168 min
average delay
Similar flights
88%
AA, same route & hour

About 1 in 6 AA 1021 flights from Sacramento arrived 15+ minutes late, diverted or cancelled over the past year (16%); 1.9% were cancelled. The typical flight landed 15 minutes early.

AA 1021: SMF → DFW

Scheduled to leave Sacramento at 6:42 a.m. local time. Over the past year it arrived on time 84% of the time (209 flights), worse than other AA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: 68% on time (31 flights)68MayJun 2025: 63% on time (30 flights)63JunJul 2025: 71% on time (31 flights)71JulAug 2025: 84% on time (31 flights)84AugSep 2025: 83% on time (30 flights)83SepOct 2025: 74% on time (31 flights)74OctNov 2025: too few flights (1 flights)NovApr 2026: 96% on time (24 flights)96AprMay 2026: 84% on time (31 flights)84MayJun 2026: 83% on time (30 flights)83JunJul 2026: 77% on time (31 flights)77JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday3073%
Tuesday3087%
Wednesday3087%
Thursday3093%
Friday3080%
Saturday3083%
Sunday2983%

Why it was late

Airline (crew, maintenance, ops) 83%Late inbound plane 12%Air traffic & airport (NAS) 5%

All flights SMF → DFW · Connecting off AA 1021? Check the risk

Questions

How often is AA 1021 from SMF to DFW late?

American Airlines 1021 from Sacramento, CA to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 16% of 209 scheduled flights between September 2025 and August 2026. 1.9% 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.