WN1940

WN1940 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Midland to Houston. Of 650 departures recorded from October 2024 to July 2026, 83.8% 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
January1114▲ 27.3%
February619▲ 216.7%
March2776▲ 181.5%
April2951▲ 75.9%
May3044▲ 46.7%
June3031▲ 3.3%
July3031▲ 3.3%
August35––
September35––
October34–in progress
November29––
December31––
Year to date (Jan–Jul)163266▲ 63.2%

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
January81.8%71.4%▼ 12.7%
February100.0%63.2%▼ 36.8%
March96.3%73.7%▼ 23.5%
April100.0%72.6%▼ 27.5%
May96.7%72.7%▼ 24.8%
June100.0%87.1%▼ 12.9%
July100.0%93.6%▼ 6.5%
August76.5%––
September77.1%––
October100.0%–in progress
November79.3%––
December71.0%––
Year-to-date average (Jan–Jul)96.4%76.3%▼ 20.8%

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
January00–
February00–
March00–
April00–
May00–
June10▼ 100.0%
July00–
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)10▼ 100.0%

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 99.7% 648
  • Cancelled 0.3% 2

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. MAF–HOU60 100.0%
  2. HNL–SJC58 94.8%
  3. MDW–MCO56 98.2%
  4. GSP–BNA49 83.7%
  5. BWI–TPA46 76.1%
  6. JAX–BWI42 78.6%
  7. PDX–PHX33 97.0%
  8. MDW–CMH33 81.8%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 16 16 81.3% 0
November 2024 15 15 86.7% 0
December 2024 26 26 92.3% 0
January 2025 11 11 81.8% 0
February 2025 6 6 100.0% 0
March 2025 27 27 96.3% 0
April 2025 29 29 100.0% 0
May 2025 30 30 96.7% 0
June 2025 30 29 100.0% 1
July 2025 30 30 100.0% 0
August 2025 35 34 76.5% 1
September 2025 35 35 77.1% 0
October 2025 34 34 100.0% 0
November 2025 29 29 79.3% 0
December 2025 31 31 71.0% 0
January 2026 14 14 71.4% 0
February 2026 19 19 63.2% 0
March 2026 76 76 73.7% 0
April 2026 51 51 72.6% 0
May 2026 44 44 72.7% 0
June 2026 31 31 87.1% 0
July 2026 31 31 93.6% 0

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