AA428

AA428 (American Airlines) is a multi-stop service on 7 routes, busiest Philadelphia to Phoenix. Of 565 departures recorded from October 2024 to July 2026, 88.4% 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
January315▼ 83.9%
February2615▼ 42.3%
March3031▲ 3.3%
April30300.0%
May3130▼ 3.2%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November1––
December14––
Year to date (Jan–Jul)209172▼ 17.7%

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
January90.3%80.0%▼ 11.4%
February87.5%84.6%▼ 3.3%
March96.7%80.0%▼ 17.2%
April90.0%83.3%▼ 7.4%
May87.1%90.0%▲ 3.3%
June90.0%93.3%▲ 3.7%
July90.3%100.0%▲ 10.7%
August80.7%––
September100.0%––
October93.6%–in progress
November100.0%––
December100.0%––
Year-to-date average (Jan–Jul)90.3%87.3%▼ 3.3%

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
January00–
February220.0%
March01–
April00–
May00–
June00–
July00–
August0––
September1––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)23▲ 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 98.8% 558
  • Cancelled 1.2% 7

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

On time, leg by leg

  1. PHL–PHX368 92.1%
  2. LGA–DFW95 87.9%
  3. PHX–PHL43 86.1%
  4. STL–DFW40 75.0%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 28 28 85.7% 0
December 2024 29 29 51.7% 0
January 2025 31 31 90.3% 0
February 2025 26 24 87.5% 2
March 2025 30 30 96.7% 0
April 2025 30 30 90.0% 0
May 2025 31 31 87.1% 0
June 2025 30 30 90.0% 0
July 2025 31 31 90.3% 0
August 2025 31 31 80.7% 0
September 2025 30 29 100.0% 1
October 2025 31 31 93.6% 0
November 2025 1 1 100.0% 0
December 2025 14 13 100.0% 1
January 2026 5 5 80.0% 0
February 2026 15 13 84.6% 2
March 2026 31 30 80.0% 1
April 2026 30 30 83.3% 0
May 2026 30 30 90.0% 0
June 2026 30 30 93.3% 0
July 2026 31 31 100.0% 0

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