AS573

AS573 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Dallas-Fort Worth to Seattle. Of 448 departures recorded from October 2024 to July 2026, 77.4% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January306▼ 80.0%
February284▼ 85.7%
March1819▲ 5.6%
April–30–
May1731▲ 82.4%
June30300.0%
July31310.0%
August28––
September21––
October2–in progress
November–––
December14––

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January86.2%100.0%▲ 16.0%
February77.8%75.0%▼ 3.6%
March94.1%84.2%▼ 10.5%
April–86.7%–
May76.5%83.9%▲ 9.7%
June63.3%90.0%▲ 42.1%
July63.3%66.7%▲ 5.3%
August85.7%––
September85.7%––
October50.0%–in progress
November–––
December61.5%––

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February10▼ 100.0%
March10▼ 100.0%
April–0–
May00–
June00–
July14▲ 300.0%
August0––
September0––
October0–in progress
November–––
December1––

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 97.8% 438
  • Cancelled 2.2% 10

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

On time, leg by leg

  1. DFW–SEA311 75.8%
  2. EWR–SAN127 81.2%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
DFW SEA Dallas Fort Worth International Airport – Seattle–Tacoma International Airport 2,668 12.1 min 75.8% 311
EWR SAN Newark Liberty International Airport – San Diego International Airport 3,895 9.3 min 81.2% 127
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 73.7% 0
November 2024 28 28 60.7% 0
December 2024 31 30 73.3% 1
January 2025 30 29 86.2% 1
February 2025 28 27 77.8% 1
March 2025 18 17 94.1% 1
May 2025 17 17 76.5% 0
June 2025 30 30 63.3% 0
July 2025 31 30 63.3% 1
August 2025 28 28 85.7% 0
September 2025 21 21 85.7% 0
October 2025 2 2 50.0% 0
December 2025 14 13 61.5% 1
January 2026 6 6 100.0% 0
February 2026 4 4 75.0% 0
March 2026 19 19 84.2% 0
April 2026 30 30 86.7% 0
May 2026 31 31 83.9% 0
June 2026 30 30 90.0% 0
July 2026 31 27 66.7% 4

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