WN2239

WN2239 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Houston to St Louis. Of 631 departures recorded from October 2024 to July 2026, 77.6% 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
January1246▲ 283.3%
February1741▲ 141.2%
March2930▲ 3.4%
April2730▲ 11.1%
May2531▲ 24.0%
June3014▼ 53.3%
July3113▼ 58.1%
August28––
September26––
October17–in progress
November44––
December65––
Year to date (Jan–Jul)171205▲ 19.9%

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
January72.7%72.1%▼ 0.9%
February88.2%90.2%▲ 2.3%
March96.6%86.2%▼ 10.7%
April77.8%60.0%▼ 22.9%
May72.0%58.1%▼ 19.4%
June70.0%57.1%▼ 18.4%
July87.1%76.9%▼ 11.7%
August89.3%––
September92.3%––
October47.1%–in progress
November69.8%––
December70.8%––
Year-to-date average (Jan–Jul)80.6%71.5%▼ 11.3%

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
January13▲ 200.0%
February00–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)14▲ 300.0%

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 98.9% 624
  • Cancelled 1.1% 7

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

On time, leg by leg

  1. HOU–STL78 88.2%
  2. MSY–DAL61 82.0%
  3. SJC–AUS57 52.6%
  4. MCO–STL50 90.0%
  5. MDW–FLL49 71.4%
  6. MSY–MCO47 84.8%
  7. OAK–LAX42 61.0%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 11 11 72.7% 0
November 2024 31 31 96.8% 0
December 2024 33 32 87.5% 1
January 2025 12 11 72.7% 1
February 2025 17 17 88.2% 0
March 2025 29 29 96.6% 0
April 2025 27 27 77.8% 0
May 2025 25 25 72.0% 0
June 2025 30 30 70.0% 0
July 2025 31 31 87.1% 0
August 2025 28 28 89.3% 0
September 2025 26 26 92.3% 0
October 2025 17 17 47.1% 0
November 2025 44 43 69.8% 1
December 2025 65 65 70.8% 0
January 2026 46 43 72.1% 3
February 2026 41 41 90.2% 0
March 2026 30 29 86.2% 1
April 2026 30 30 60.0% 0
May 2026 31 31 58.1% 0
June 2026 14 14 57.1% 0
July 2026 13 13 76.9% 0

How to read this chart

Loading the guide…