WN542

WN542 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Austin to Denver. Of 639 departures recorded from October 2024 to July 2026, 68.9% 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
January2632▲ 23.1%
February2628▲ 7.7%
March3138▲ 22.6%
April3023▼ 23.3%
May3022▼ 26.7%
June3028▼ 6.7%
July3031▲ 3.3%
August30––
September30––
October51–in progress
November32––
December33––
Year to date (Jan–Jul)203202▼ 0.5%

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
January68.0%71.9%▲ 5.7%
February76.0%71.4%▼ 6.0%
March69.0%60.5%▼ 12.2%
April80.0%39.1%▼ 51.1%
May80.0%9.1%▼ 88.6%
June90.0%53.6%▼ 40.5%
July80.0%48.4%▼ 39.5%
August62.1%––
September66.7%––
October92.2%–in progress
November75.0%––
December65.6%––
Year-to-date average (Jan–Jul)77.6%50.6%▼ 34.8%

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
January10▼ 100.0%
February10▼ 100.0%
March20▼ 100.0%
April00–
May00–
June00–
July00–
August1––
September0––
October0–in progress
November0––
December1––
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 99.1% 633
  • Cancelled 0.9% 6

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

On time, leg by leg

  1. AUS–DEN97 78.4%
  2. HOU–MCO51 80.0%
  3. DCA–MDW50 61.2%
  4. MCO–SJU47 83.0%
  5. DAL–ATL46 26.1%
  6. BNA–JAX42 42.9%
  7. BNA–AUS42 85.7%
  8. AUS–CMH30 86.7%

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 92.9% 0
November 2024 17 17 82.4% 0
December 2024 27 27 63.0% 0
January 2025 26 25 68.0% 1
February 2025 26 25 76.0% 1
March 2025 31 29 69.0% 2
April 2025 30 30 80.0% 0
May 2025 30 30 80.0% 0
June 2025 30 30 90.0% 0
July 2025 30 30 80.0% 0
August 2025 30 29 62.1% 1
September 2025 30 30 66.7% 0
October 2025 51 51 92.2% 0
November 2025 32 32 75.0% 0
December 2025 33 32 65.6% 1
January 2026 32 32 71.9% 0
February 2026 28 28 71.4% 0
March 2026 38 38 60.5% 0
April 2026 23 23 39.1% 0
May 2026 22 22 9.1% 0
June 2026 28 28 53.6% 0
July 2026 31 31 48.4% 0

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