LAX → BOS

AA12

AA12 (American Airlines) flies Los Angeles to Boston. Of 485 departures recorded from March 2025 to July 2026, 79.0% left on time, according to the US BTS.

Recorded departures by month

The most recent periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–31–
February–28–
March231▲ 1,450.0%
April2930▲ 3.4%
May2931▲ 6.9%
June3029▼ 3.3%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––

according to the US BTS · March 2025 → 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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–82.8%–
February–92.6%–
March50.0%96.8%▲ 93.5%
April75.9%86.7%▲ 14.2%
May86.2%64.5%▼ 25.2%
June76.7%85.7%▲ 11.8%
July67.7%76.7%▲ 13.2%
August80.7%––
September63.3%––
October74.2%–in progress
November83.3%––
December74.2%––

according to the US BTS · March 2025 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · March 2025 → July 2026

Cancelled departures by month

All legs combined
The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–2–
February–1–
March00–
April00–
May00–
June01–
July01–
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · March 2025 → July 2026

This is not a forecast

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

Cancellation share

  • Not cancelled 99.0% 480
  • Cancelled 1.0% 5

Share of all recorded flights in the period, all legs. · Mar 30, 2025 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
LAX BOS Los Angeles International Airport – Boston Logan International Airport 4,193 12.5 min 79.0% 485
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
March 2025 2 2 50.0% 0
April 2025 29 29 75.9% 0
May 2025 29 29 86.2% 0
June 2025 30 30 76.7% 0
July 2025 31 31 67.7% 0
August 2025 31 31 80.7% 0
September 2025 30 30 63.3% 0
October 2025 31 31 74.2% 0
November 2025 30 30 83.3% 0
December 2025 31 31 74.2% 0
January 2026 31 29 82.8% 2
February 2026 28 27 92.6% 1
March 2026 31 31 96.8% 0
April 2026 30 30 86.7% 0
May 2026 31 31 64.5% 0
June 2026 29 28 85.7% 1
July 2026 31 30 76.7% 1

How to read this chart

Loading the guide…