AA1397

AA1397 (American Airlines) is a multi-stop service on 5 routes, busiest Boston to Miami. Of 624 departures recorded from October 2024 to July 2026, 71.5% 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
January31310.0%
February2728▲ 3.7%
March3031▲ 3.3%
April30300.0%
May31310.0%
June30300.0%
July3031▲ 3.3%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)209212▲ 1.4%

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
January96.8%70.4%▼ 27.3%
February85.2%64.3%▼ 24.5%
March93.3%70.0%▼ 25.0%
April79.3%60.0%▼ 24.3%
May67.7%58.1%▼ 14.3%
June69.0%71.4%▲ 3.6%
July42.9%45.2%▲ 5.4%
August71.0%––
September70.0%––
October61.3%–in progress
November82.8%––
December80.7%––
Year-to-date average (Jan–Jul)76.3%62.8%▼ 17.8%

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
January04–
February00–
March01–
April10▼ 100.0%
May00–
June12▲ 100.0%
July20▼ 100.0%
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)47▲ 75.0%

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 97.9% 611
  • Cancelled 2.1% 13

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

On time, leg by leg

  1. BOS–MIA372 71.9%
  2. MIA–MCI89 80.7%
  3. AUS–DFW72 61.4%
  4. MIA–AUS54 66.0%
  5. CLT–DCA37 72.7%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 5 5 60.0% 0
December 2024 25 24 83.3% 1
January 2025 31 31 96.8% 0
February 2025 27 27 85.2% 0
March 2025 30 30 93.3% 0
April 2025 30 29 79.3% 1
May 2025 31 31 67.7% 0
June 2025 30 29 69.0% 1
July 2025 30 28 42.9% 2
August 2025 31 31 71.0% 0
September 2025 30 30 70.0% 0
October 2025 31 31 61.3% 0
November 2025 30 29 82.8% 1
December 2025 31 31 80.7% 0
January 2026 31 27 70.4% 4
February 2026 28 28 64.3% 0
March 2026 31 30 70.0% 1
April 2026 30 30 60.0% 0
May 2026 31 31 58.1% 0
June 2026 30 28 71.4% 2
July 2026 31 31 45.2% 0

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