AS442

AS442 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Philadelphia. Of 676 departures recorded from October 2024 to July 2026, 76.7% 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
January2831▲ 10.7%
February2628▲ 7.7%
March31310.0%
April30300.0%
May3150▲ 61.3%
June3039▲ 30.0%
July31310.0%
August31––
September30––
October31–in progress
November29––
December31––
Year to date (Jan–Jul)207240▲ 15.9%

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
January78.6%63.3%▼ 19.4%
February84.6%85.7%▲ 1.3%
March87.1%70.0%▼ 19.6%
April83.3%90.0%▲ 8.0%
May71.0%67.4%▼ 5.1%
June53.3%73.0%▲ 36.8%
July70.0%80.7%▲ 15.2%
August74.2%––
September83.3%––
October63.3%–in progress
November86.2%––
December80.7%––
Year-to-date average (Jan–Jul)75.4%75.7%▲ 0.4%

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
January01–
February00–
March01–
April00–
May01–
June02–
July10▼ 100.0%
August0––
September0––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)15▲ 400.0%

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 99.0% 669
  • Cancelled 1.0% 7

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
SEA PHL Seattle–Tacoma International Airport – Philadelphia International Airport 3,818 10.1 min 77.1% 648
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 82.4% 0
November 2024 29 29 100.0% 0
December 2024 31 31 71.0% 0
January 2025 28 28 78.6% 0
February 2025 26 26 84.6% 0
March 2025 31 31 87.1% 0
April 2025 30 30 83.3% 0
May 2025 31 31 71.0% 0
June 2025 30 30 53.3% 0
July 2025 31 30 70.0% 1
August 2025 31 31 74.2% 0
September 2025 30 30 83.3% 0
October 2025 31 30 63.3% 1
November 2025 29 29 86.2% 0
December 2025 31 31 80.7% 0
January 2026 31 30 63.3% 1
February 2026 28 28 85.7% 0
March 2026 31 30 70.0% 1
April 2026 30 30 90.0% 0
May 2026 50 49 67.4% 1
June 2026 39 37 73.0% 2
July 2026 31 31 80.7% 0

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