AA1511

AA1511 (American Airlines) is a multi-stop service on 23 routes, busiest Phoenix to Philadelphia. Of 657 departures recorded from October 2024 to July 2026, 87.3% left on time, according to the US BTS.

Recorded departures by month

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

Months without data are left blank.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2747▲ 74.1%
February2834▲ 21.4%
March2838▲ 35.7%
April3026▼ 13.3%
May31310.0%
June30300.0%
July31310.0%
August31––
September29––
October31–in progress
November49––
December29––
Year to date (Jan–Jul)205237▲ 15.6%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

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
January88.5%71.1%▼ 19.6%
February96.2%76.5%▼ 20.5%
March96.4%89.2%▼ 7.5%
April93.3%100.0%▲ 7.1%
May100.0%93.6%▼ 6.5%
June93.3%96.6%▲ 3.5%
July96.7%93.3%▼ 3.5%
August90.0%––
September100.0%––
October80.7%–in progress
November83.7%––
December55.2%––
Year-to-date average (Jan–Jul)94.9%88.6%▼ 6.6%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January12▲ 100.0%
February20▼ 100.0%
March01–
April00–
May00–
June01–
July110.0%
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)45▲ 25.0%

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 98.5% 647
  • Cancelled 1.5% 10

Share of all recorded flights in the period, all legs. · Oct 18, 2024 → Jul 31, 2026

On time, leg by leg

  1. PHX–PHL305 95.7%
  2. PHX–DCA79 96.1%
  3. ATL–PHL32 74.2%
  4. PHL–ATL31 63.3%

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 2 2 100.0% 0
December 2024 44 44 72.7% 0
January 2025 27 26 88.5% 1
February 2025 28 26 96.2% 2
March 2025 28 28 96.4% 0
April 2025 30 30 93.3% 0
May 2025 31 31 100.0% 0
June 2025 30 30 93.3% 0
July 2025 31 30 96.7% 1
August 2025 31 30 90.0% 1
September 2025 29 29 100.0% 0
October 2025 31 31 80.7% 0
November 2025 49 49 83.7% 0
December 2025 29 29 55.2% 0
January 2026 47 45 71.1% 2
February 2026 34 34 76.5% 0
March 2026 38 37 89.2% 1
April 2026 26 26 100.0% 0
May 2026 31 31 93.6% 0
June 2026 30 29 96.6% 1
July 2026 31 30 93.3% 1

How to read this chart

Loading the guide…