AS624

AS624 (Alaska Airlines) is a multi-stop service on 6 routes, busiest Seattle to Indianapolis. Of 254 departures recorded from October 2024 to July 2026, 80.0% 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 periods12 periods
PeriodDepartures 2025Departures 2026Change vs last year
January522▲ 340.0%
February–8–
March18▲ 700.0%
April121▲ 2,000.0%
May–29–
June–30–
July–30–
August–––
September–––
October––in progress
November9––
December11––

according to the US BTS · October 2024 → July 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 periods12 periods
PeriodOn time 2025On time 2026Change vs last year
January80.0%85.0%▲ 6.3%
February–85.7%–
March0.0%87.5%–
April100.0%81.0%▼ 19.0%
May–93.1%–
June–73.3%–
July–66.7%–
August–––
September–––
October––in progress
November55.6%––
December54.6%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods12 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January02–
February–1–
March00–
April00–
May–0–
June–0–
July–0–
August–––
September–––
October––in progress
November0––
December0––

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 98.4% 250
  • Cancelled 1.6% 4

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

On time, leg by leg

  1. SEA–IND116 70.7%
  2. SEA–PHX84 86.8%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 89.5% 0
November 2024 30 30 83.3% 0
December 2024 30 29 89.7% 1
January 2025 5 5 80.0% 0
March 2025 1 1 0.0% 0
April 2025 1 1 100.0% 0
November 2025 9 9 55.6% 0
December 2025 11 11 54.6% 0
January 2026 22 20 85.0% 2
February 2026 8 7 85.7% 1
March 2026 8 8 87.5% 0
April 2026 21 21 81.0% 0
May 2026 29 29 93.1% 0
June 2026 30 30 73.3% 0
July 2026 30 30 66.7% 0

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