AA1523

AA1523 (American Airlines) is a multi-stop service on 11 routes, busiest Denver to Dallas-Fort Worth. Of 944 departures recorded from October 2024 to July 2026, 81.5% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January1234▲ 183.3%
February2245▲ 104.5%
March762▲ 785.7%
April5460▲ 11.1%
May6261▼ 1.6%
June4160▲ 46.3%
July4462▲ 40.9%
August51––
September59––
October35–in progress
November29––
December39––
Year to date (Jan–Jul)242384▲ 58.7%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January91.7%96.6%▲ 5.3%
February52.4%80.0%▲ 52.7%
March57.1%91.9%▲ 60.9%
April79.6%87.7%▲ 10.2%
May91.7%90.0%▼ 1.8%
June82.1%65.0%▼ 20.8%
July79.1%85.5%▲ 8.1%
August62.8%––
September78.0%––
October82.9%–in progress
November75.9%––
December66.7%––
Year-to-date average (Jan–Jul)76.2%85.2%▲ 11.8%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January05–
February10▼ 100.0%
March00–
April03–
May21▼ 50.0%
June20▼ 100.0%
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)69▲ 50.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 98.4% 929
  • Cancelled 1.6% 15

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. DEN–DFW431 81.7%
  2. DFW–DEN414 82.0%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
DEN DFW Denver International Airport – Dallas Fort Worth International Airport 1,032 15.8 min 81.7% 431
DFW DEN Dallas Fort Worth International Airport – Denver International Airport 1,032 6.7 min 82.0% 414
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 95.0% 0
November 2024 34 34 94.1% 0
December 2024 31 31 80.7% 0
January 2025 12 12 91.7% 0
February 2025 22 21 52.4% 1
March 2025 7 7 57.1% 0
April 2025 54 54 79.6% 0
May 2025 62 60 91.7% 2
June 2025 41 39 82.1% 2
July 2025 44 43 79.1% 1
August 2025 51 51 62.8% 0
September 2025 59 59 78.0% 0
October 2025 35 35 82.9% 0
November 2025 29 29 75.9% 0
December 2025 39 39 66.7% 0
January 2026 34 29 96.6% 5
February 2026 45 45 80.0% 0
March 2026 62 62 91.9% 0
April 2026 60 57 87.7% 3
May 2026 61 60 90.0% 1
June 2026 60 60 65.0% 0
July 2026 62 62 85.5% 0

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