WN1140

WN1140 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Las Vegas to Oklahoma City. Of 660 departures recorded from October 2024 to July 2026, 81.7% 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
January3130▼ 3.2%
February2831▲ 10.7%
March5131▼ 39.2%
April3543▲ 22.9%
May3048▲ 60.0%
June3027▼ 10.0%
July3028▼ 6.7%
August18––
September13––
October32–in progress
November17––
December27––
Year to date (Jan–Jul)235238▲ 1.3%

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
January77.4%90.0%▲ 16.2%
February85.2%96.8%▲ 13.6%
March66.7%96.8%▲ 45.1%
April88.6%93.0%▲ 5.0%
May80.0%87.5%▲ 9.4%
June86.2%66.7%▼ 22.7%
July90.0%66.7%▼ 25.9%
August83.3%––
September84.6%––
October83.9%–in progress
November93.8%––
December74.1%––
Year-to-date average (Jan–Jul)82.0%85.3%▲ 4.1%

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–
February10▼ 100.0%
March00–
April00–
May00–
June10▼ 100.0%
July01–
August0––
September0––
October1–in progress
November1––
December0––
Year to date (Jan–Jul)21▼ 50.0%

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 99.2% 655
  • Cancelled 0.8% 5

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

On time, leg by leg

  1. LAS–OKC112 75.0%
  2. LGB–SJC58 96.6%
  3. HOU–BNA42 85.4%
  4. CHS–AUS34 50.0%
  5. PHX–HOU33 97.0%
  6. ALB–MCO33 66.7%
  7. BNA–IND32 90.6%
  8. ATL–LGA31 83.3%

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 21 21 61.9% 0
November 2024 29 29 75.9% 0
December 2024 30 30 66.7% 0
January 2025 31 31 77.4% 0
February 2025 28 27 85.2% 1
March 2025 51 51 66.7% 0
April 2025 35 35 88.6% 0
May 2025 30 30 80.0% 0
June 2025 30 29 86.2% 1
July 2025 30 30 90.0% 0
August 2025 18 18 83.3% 0
September 2025 13 13 84.6% 0
October 2025 32 31 83.9% 1
November 2025 17 16 93.8% 1
December 2025 27 27 74.1% 0
January 2026 30 30 90.0% 0
February 2026 31 31 96.8% 0
March 2026 31 31 96.8% 0
April 2026 43 43 93.0% 0
May 2026 48 48 87.5% 0
June 2026 27 27 66.7% 0
July 2026 28 27 66.7% 1

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