AS188

AS188 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Anchorage to Seattle. Of 420 departures recorded from October 2024 to April 2026, 93.1% 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January266▼ 76.9%
February26––
March2015▼ 25.0%
April1121▲ 90.9%
May29––
June30––
July31––
August29––
September26––
October30–in progress
November20––
December29––

according to the US BTS · October 2024 → April 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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January96.0%60.0%▼ 37.5%
February100.0%––
March95.0%80.0%▼ 15.8%
April90.9%95.2%▲ 4.8%
May96.6%––
June100.0%––
July87.1%––
August93.1%––
September100.0%––
October100.0%–in progress
November85.0%––
December82.8%––

according to the US BTS · October 2024 → April 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → April 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January110.0%
February0––
March00–
April00–
May0––
June0––
July0––
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · October 2024 → April 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 99.5% 418
  • Cancelled 0.5% 2

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Apr 21, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ANC SEA Ted Stevens Anchorage International Airport – Seattle–Tacoma International Airport 2,326 -0.5 min 93.3% 419
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 88.2% 0
November 2024 28 28 96.4% 0
December 2024 26 26 92.3% 0
January 2025 26 25 96.0% 1
February 2025 26 26 100.0% 0
March 2025 20 20 95.0% 0
April 2025 11 11 90.9% 0
May 2025 29 29 96.6% 0
June 2025 30 30 100.0% 0
July 2025 31 31 87.1% 0
August 2025 29 29 93.1% 0
September 2025 26 26 100.0% 0
October 2025 30 30 100.0% 0
November 2025 20 20 85.0% 0
December 2025 29 29 82.8% 0
January 2026 6 5 60.0% 1
March 2026 15 15 80.0% 0
April 2026 21 21 95.2% 0

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