WN3904

WN3904 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Oklahoma City to St Louis. Of 541 departures recorded from October 2024 to July 2026, 69.0% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January303▼ 90.0%
February24––
March5227▼ 48.1%
April3027▼ 10.0%
May2226▲ 18.2%
June2930▲ 3.4%
July3130▼ 3.2%
August31––
September30––
October5–in progress
November3––
December13––

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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January92.9%50.0%▼ 46.2%
February87.5%––
March65.4%56.0%▼ 14.3%
April60.0%77.8%▲ 29.6%
May68.2%80.8%▲ 18.5%
June25.9%30.0%▲ 15.7%
July34.6%26.7%▼ 23.0%
August87.1%––
September100.0%––
October80.0%–in progress
November66.7%––
December84.6%––

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 periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January21▼ 50.0%
February0––
March02–
April00–
May00–
June20▼ 100.0%
July50▼ 100.0%
August0––
September0––
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 97.8% 529
  • Cancelled 2.2% 12

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

On time, leg by leg

  1. OKC–STL110 91.7%
  2. LGA–DAL61 29.6%
  3. OGG–HNL58 96.6%
  4. STL–DAL50 24.0%
  5. PHX–STL50 82.0%
  6. LAS–LGB42 71.4%
  7. PHX–SNA33 54.6%
  8. MSP–MDW33 58.1%

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 85.0% 0
November 2024 36 36 91.7% 0
December 2024 42 42 88.1% 0
January 2025 30 28 92.9% 2
February 2025 24 24 87.5% 0
March 2025 52 52 65.4% 0
April 2025 30 30 60.0% 0
May 2025 22 22 68.2% 0
June 2025 29 27 25.9% 2
July 2025 31 26 34.6% 5
August 2025 31 31 87.1% 0
September 2025 30 30 100.0% 0
October 2025 5 5 80.0% 0
November 2025 3 3 66.7% 0
December 2025 13 13 84.6% 0
January 2026 3 2 50.0% 1
March 2026 27 25 56.0% 2
April 2026 27 27 77.8% 0
May 2026 26 26 80.8% 0
June 2026 30 30 30.0% 0
July 2026 30 30 26.7% 0

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