WN3761

WN3761 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Chicago to Austin. Of 415 departures recorded from October 2024 to July 2026, 67.6% 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
January63▼ 50.0%
February87▼ 12.5%
March2728▲ 3.7%
April3826▼ 31.6%
May3926▼ 33.3%
June3223▼ 28.1%
July3120▼ 35.5%
August8––
September4––
October4–in progress
November5––
December11––
Year to date (Jan–Jul)181133▼ 26.5%

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
January100.0%50.0%▼ 50.0%
February62.5%71.4%▲ 14.3%
March74.1%85.2%▲ 15.0%
April60.5%80.0%▲ 32.2%
May79.5%44.0%▼ 44.6%
June46.9%69.6%▲ 48.4%
July54.8%80.0%▲ 45.9%
August37.5%––
September100.0%––
October100.0%–in progress
November80.0%––
December36.4%––
Year-to-date average (Jan–Jul)68.3%68.6%▲ 0.4%

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
January01–
February00–
March01–
April01–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)04

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 99.0% 411
  • Cancelled 1.0% 4

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. MDW–AUS61 50.8%
  2. PHX–CMH58 70.7%
  3. MDW–DAL49 59.6%
  4. RSW–BWI33 87.5%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 26 26 65.4% 0
November 2024 25 25 80.0% 0
December 2024 18 18 72.2% 0
January 2025 6 6 100.0% 0
February 2025 8 8 62.5% 0
March 2025 27 27 74.1% 0
April 2025 38 38 60.5% 0
May 2025 39 39 79.5% 0
June 2025 32 32 46.9% 0
July 2025 31 31 54.8% 0
August 2025 8 8 37.5% 0
September 2025 4 4 100.0% 0
October 2025 4 4 100.0% 0
November 2025 5 5 80.0% 0
December 2025 11 11 36.4% 0
January 2026 3 2 50.0% 1
February 2026 7 7 71.4% 0
March 2026 28 27 85.2% 1
April 2026 26 25 80.0% 1
May 2026 26 25 44.0% 1
June 2026 23 23 69.6% 0
July 2026 20 20 80.0% 0

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