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American Airlines / DEN → DFW

AA 1523 on time

American Airlines 1523: Denver to Dallas at 9:04 a.m.; Dallas to Denver at 7:05 a.m. (past 12 months). Figures below the title are for DEN → DFW, its busiest leg

On time
81%
333 flights · likely 76–85%
Cancelled
2.4%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+112 min
average delay
Similar flights
81%
AA, same route & hour

About 1 in 5 AA 1523 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (19%); 2.4% were cancelled. The typical flight landed 10 minutes early.

AA 1523: DEN → DFW

Scheduled to leave Denver at 9:04 a.m. local time. Over the past year it arrived on time 81% of the time (333 flights), in line with other AA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: too few flights (5 flights)OctNov 2025: 75% on time (28 flights)75NovDec 2025: 64% on time (28 flights)64DecJan 2026: 77% on time (30 flights)77JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 84% on time (31 flights)84MarApr 2026: 87% on time (30 flights)87AprMay 2026: 87% on time (31 flights)87MayJun 2026: 63% on time (30 flights)63JunJul 2026: 87% on time (31 flights)87JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday4980%
Tuesday4781%
Wednesday4783%
Thursday4591%
Friday4873%
Saturday4881%
Sunday4978%

Why it was late

Airline (crew, maintenance, ops) 48%Late inbound plane 36%Air traffic & airport (NAS) 15%Severe weather 1%

All flights DEN → DFW · Connecting off AA 1523? Check the risk

AA 1523: DFW → DEN

Scheduled to leave Dallas at 7:05 a.m. local time. Over the past year it arrived on time 82% of the time (275 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: 76% on time (29 flights)76SepOct 2025: 83% on time (30 flights)83OctNov 2025: too few flights (1 flights)NovDec 2025: too few flights (11 flights)DecJan 2026: too few flights (4 flights)JanFeb 2026: 71% on time (17 flights)71FebMar 2026: 94% on time (31 flights)94MarApr 2026: 83% on time (30 flights)83AprMay 2026: 90% on time (30 flights)90MayJun 2026: 63% on time (30 flights)63JunJul 2026: 84% on time (31 flights)84JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday4183%
Tuesday3784%
Wednesday3887%
Thursday3892%
Friday4178%
Saturday4073%
Sunday4078%

Why it was late

Airline (crew, maintenance, ops) 63%Air traffic & airport (NAS) 16%Late inbound plane 12%Severe weather 9%

All flights DFW → DEN · Connecting off AA 1523? Check the risk

Questions

How often is AA 1523 from DEN to DFW late?

American Airlines 1523 from Denver, CO to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 19% of 333 scheduled flights between September 2025 and August 2026. 2.4% were cancelled.

How often is AA 1523 from DFW to DEN late?

American Airlines 1523 from Dallas/Fort Worth, TX to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 18% of 275 scheduled flights between September 2025 and August 2026. 0.4% 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.