AS101

AS101 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Pittsburgh to Seattle. Of 271 departures recorded from October 2024 to March 2026, 79.3% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January315▼ 83.9%
February12––
March210▲ 400.0%
April–––
May1––
June19––
July31––
August31––
September30––
October4–in progress
November8––
December14––

according to the US BTS · October 2024 → March 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 periods13 periods
PeriodOn time 2025On time 2026Change vs last year
January63.3%100.0%▲ 57.9%
February75.0%––
March50.0%70.0%▲ 40.0%
April–––
May100.0%––
June73.7%––
July56.7%––
August74.2%––
September86.7%––
October100.0%–in progress
November87.5%––
December92.3%––

according to the US BTS · October 2024 → March 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → March 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February0––
March00–
April–––
May0––
June0––
July1––
August0––
September0––
October0–in progress
November0––
December1––

according to the US BTS · October 2024 → March 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 98.2% 266
  • Cancelled 1.8% 5

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 16, 2026

On time, leg by leg

  1. PIT–SEA116 83.2%
  2. SEA–KTN114 73.5%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
PIT SEA Pittsburgh International Airport – Seattle–Tacoma International Airport 3,411 3.5 min 83.2% 116
SEA KTN Seattle–Tacoma International Airport – Ketchikan International Airport 1,093 13.7 min 73.5% 114
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 19 84.2% 1
November 2024 27 27 96.3% 0
December 2024 26 25 96.0% 1
January 2025 31 30 63.3% 1
February 2025 12 12 75.0% 0
March 2025 2 2 50.0% 0
May 2025 1 1 100.0% 0
June 2025 19 19 73.7% 0
July 2025 31 30 56.7% 1
August 2025 31 31 74.2% 0
September 2025 30 30 86.7% 0
October 2025 4 4 100.0% 0
November 2025 8 8 87.5% 0
December 2025 14 13 92.3% 1
January 2026 5 5 100.0% 0
March 2026 10 10 70.0% 0

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