WN2529

WN2529 (Southwest Airlines) is a multi-stop service on 23 routes, busiest St Louis to Houston. Of 669 departures recorded from October 2024 to July 2026, 69.1% 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
January2628▲ 7.7%
February2621▼ 19.2%
March3130▼ 3.2%
April1048▲ 380.0%
May351▲ 1,600.0%
June2769▲ 155.6%
July3173▲ 135.5%
August26––
September26––
October31–in progress
November25––
December18––
Year to date (Jan–Jul)154320▲ 107.8%

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
January83.3%67.9%▼ 18.6%
February88.5%76.2%▼ 13.9%
March77.4%90.0%▲ 16.2%
April70.0%81.3%▲ 16.1%
May66.7%68.6%▲ 2.9%
June37.0%57.4%▲ 54.8%
July33.3%51.4%▲ 54.2%
August84.6%––
September88.5%––
October58.1%–in progress
November72.0%––
December61.1%––
Year-to-date average (Jan–Jul)65.2%70.4%▲ 8.0%

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
January20▼ 100.0%
February00–
March00–
April00–
May00–
June01–
July110.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)32▼ 33.3%

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 99.3% 664
  • Cancelled 0.7% 5

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

On time, leg by leg

  1. STL–HOU105 87.4%
  2. DEN–MDW91 78.0%
  3. FLL–DCA61 38.3%
  4. MIA–MDW47 70.2%
  5. BOS–BWI42 83.3%
  6. AUS–MCO42 33.3%
  7. MCO–ATL34 30.3%
  8. MKE–RSW33 75.8%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 84.2% 0
November 2024 28 28 92.9% 0
December 2024 22 22 77.3% 0
January 2025 26 24 83.3% 2
February 2025 26 26 88.5% 0
March 2025 31 31 77.4% 0
April 2025 10 10 70.0% 0
May 2025 3 3 66.7% 0
June 2025 27 27 37.0% 0
July 2025 31 30 33.3% 1
August 2025 26 26 84.6% 0
September 2025 26 26 88.5% 0
October 2025 31 31 58.1% 0
November 2025 25 25 72.0% 0
December 2025 18 18 61.1% 0
January 2026 28 28 67.9% 0
February 2026 21 21 76.2% 0
March 2026 30 30 90.0% 0
April 2026 48 48 81.3% 0
May 2026 51 51 68.6% 0
June 2026 69 68 57.4% 1
July 2026 73 72 51.4% 1

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