WN642

WN642 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Omaha to St Louis. Of 741 departures recorded from October 2024 to July 2026, 73.4% 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
January3336▲ 9.1%
February28280.0%
March4331▼ 27.9%
April3336▲ 9.1%
May3138▲ 22.6%
June3037▲ 23.3%
July3040▲ 33.3%
August31––
September30––
October28–in progress
November35––
December58––
Year to date (Jan–Jul)228246▲ 7.9%

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
January100.0%77.8%▼ 22.2%
February96.4%78.6%▼ 18.5%
March85.7%45.2%▼ 47.3%
April84.9%69.4%▼ 18.2%
May86.7%50.0%▼ 42.3%
June70.0%43.2%▼ 38.2%
July80.0%15.0%▼ 81.3%
August96.8%––
September96.7%––
October67.9%–in progress
November74.3%––
December53.5%––
Year-to-date average (Jan–Jul)86.2%54.2%▼ 37.2%

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–
March10▼ 100.0%
April00–
May10▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)40▼ 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 99.5% 737
  • Cancelled 0.5% 4

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

On time, leg by leg

  1. OMA–STL122 97.5%
  2. OGG–HNL58 98.3%
  3. BNA–PHX58 24.1%
  4. BNA–PVD50 83.7%
  5. GEG–LAS47 78.7%
  6. PIT–AUS46 87.0%
  7. BOI–SMF34 100.0%
  8. HOU–LAX33 69.7%

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 14 14 100.0% 0
November 2024 32 32 96.9% 0
December 2024 39 39 97.4% 0
January 2025 33 31 100.0% 2
February 2025 28 28 96.4% 0
March 2025 43 42 85.7% 1
April 2025 33 33 84.9% 0
May 2025 31 30 86.7% 1
June 2025 30 30 70.0% 0
July 2025 30 30 80.0% 0
August 2025 31 31 96.8% 0
September 2025 30 30 96.7% 0
October 2025 28 28 67.9% 0
November 2025 35 35 74.3% 0
December 2025 58 58 53.5% 0
January 2026 36 36 77.8% 0
February 2026 28 28 78.6% 0
March 2026 31 31 45.2% 0
April 2026 36 36 69.4% 0
May 2026 38 38 50.0% 0
June 2026 37 37 43.2% 0
July 2026 40 40 15.0% 0

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