WN1266

WN1266 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Sacramento to Phoenix. Of 791 departures recorded from October 2024 to July 2026, 78.1% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3327▼ 18.2%
February3027▼ 10.0%
March4431▼ 29.5%
April2570▲ 180.0%
May2377▲ 234.8%
June2840▲ 42.9%
July3033▲ 10.0%
August30––
September30––
October39–in progress
November30––
December31––
Year to date (Jan–Jul)213305▲ 43.2%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January87.5%69.2%▼ 20.9%
February80.0%40.0%▼ 50.0%
March79.6%32.1%▼ 59.6%
April88.0%78.6%▼ 10.7%
May87.0%81.8%▼ 5.9%
June96.4%65.0%▼ 32.6%
July100.0%75.8%▼ 24.2%
August83.3%––
September86.7%––
October92.3%–in progress
November66.7%––
December64.5%––
Year-to-date average (Jan–Jul)88.3%63.2%▼ 28.4%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January110.0%
February02–
March03–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)16▲ 500.0%

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 99.1% 784
  • Cancelled 0.9% 7

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026

On time, leg by leg

  1. SMF–PHX66 74.2%
  2. MDW–BWI57 89.5%
  3. HOU–SAT57 86.0%
  4. ATL–LGA53 60.0%
  5. DEN–PDX51 96.1%
  6. BNA–MCO40 92.5%
  7. BOS–MDW33 23.3%
  8. OMA–LAS31 93.6%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 54 54 77.8% 0
December 2024 39 39 84.6% 0
January 2025 33 32 87.5% 1
February 2025 30 30 80.0% 0
March 2025 44 44 79.6% 0
April 2025 25 25 88.0% 0
May 2025 23 23 87.0% 0
June 2025 28 28 96.4% 0
July 2025 30 30 100.0% 0
August 2025 30 30 83.3% 0
September 2025 30 30 86.7% 0
October 2025 39 39 92.3% 0
November 2025 30 30 66.7% 0
December 2025 31 31 64.5% 0
January 2026 27 26 69.2% 1
February 2026 27 25 40.0% 2
March 2026 31 28 32.1% 3
April 2026 70 70 78.6% 0
May 2026 77 77 81.8% 0
June 2026 40 40 65.0% 0
July 2026 33 33 75.8% 0

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