AS343

AS343 (Alaska Airlines) is a multi-stop service on 11 routes, busiest Austin to San Diego. Of 243 departures recorded from October 2024 to July 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January521▲ 320.0%
February–10–
March26▲ 200.0%
April35▲ 66.7%
May1726▲ 52.9%
June1130▲ 172.7%
July–30–
August–––
September–––
October1–in progress
November10––
December2––

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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January80.0%95.2%▲ 19.0%
February–90.0%–
March100.0%83.3%▼ 16.7%
April100.0%100.0%0.0%
May76.5%80.0%▲ 4.6%
June63.6%73.3%▲ 15.2%
July–76.7%–
August–––
September–––
October100.0%–in progress
November80.0%––
December50.0%––

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 periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February–0–
March00–
April00–
May01–
June00–
July–0–
August–––
September–––
October0–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 99.6% 242
  • Cancelled 0.4% 1

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

On time, leg by leg

  1. AUS–SAN69 76.8%
  2. SEA–DTW51 74.5%
  3. BOI–PDX43 90.7%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 83.3% 0
December 2024 14 14 42.9% 0
January 2025 5 5 80.0% 0
March 2025 2 2 100.0% 0
April 2025 3 3 100.0% 0
May 2025 17 17 76.5% 0
June 2025 11 11 63.6% 0
October 2025 1 1 100.0% 0
November 2025 10 10 80.0% 0
December 2025 2 2 50.0% 0
January 2026 21 21 95.2% 0
February 2026 10 10 90.0% 0
March 2026 6 6 83.3% 0
April 2026 5 5 100.0% 0
May 2026 26 25 80.0% 1
June 2026 30 30 73.3% 0
July 2026 30 30 76.7% 0

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