WN2399

WN2399 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Austin to Las Vegas. Of 631 departures recorded from October 2024 to July 2026, 67.5% 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
January2030▲ 50.0%
February1931▲ 63.2%
March843▲ 437.5%
April2430▲ 25.0%
May3126▼ 16.1%
June5826▼ 55.2%
July5928▼ 52.5%
August29––
September22––
October23–in progress
November22––
December19––
Year to date (Jan–Jul)219214▼ 2.3%

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
January73.7%90.0%▲ 22.1%
February52.6%90.3%▲ 71.6%
March62.5%62.8%▲ 0.5%
April83.3%60.0%▼ 28.0%
May71.0%23.1%▼ 67.5%
June53.5%69.2%▲ 29.5%
July44.6%71.4%▲ 60.0%
August58.6%––
September68.2%––
October56.5%–in progress
November86.4%––
December84.2%––
Year-to-date average (Jan–Jul)63.0%66.7%▲ 5.8%

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%
February00–
March00–
April00–
May00–
June00–
July30▼ 100.0%
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 99.4% 627
  • Cancelled 0.6% 4

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

On time, leg by leg

  1. AUS–LAS67 69.7%
  2. LAS–DAL61 63.3%
  3. LGB–RNO58 89.7%
  4. OAK–DEN57 73.7%
  5. STL–PHX50 40.0%
  6. ICT–DEN42 66.7%
  7. DAL–TPA35 34.3%
  8. LAX–HOU34 91.2%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 41 41 97.6% 0
November 2024 28 28 75.0% 0
December 2024 14 14 78.6% 0
January 2025 20 19 73.7% 1
February 2025 19 19 52.6% 0
March 2025 8 8 62.5% 0
April 2025 24 24 83.3% 0
May 2025 31 31 71.0% 0
June 2025 58 58 53.5% 0
July 2025 59 56 44.6% 3
August 2025 29 29 58.6% 0
September 2025 22 22 68.2% 0
October 2025 23 23 56.5% 0
November 2025 22 22 86.4% 0
December 2025 19 19 84.2% 0
January 2026 30 30 90.0% 0
February 2026 31 31 90.3% 0
March 2026 43 43 62.8% 0
April 2026 30 30 60.0% 0
May 2026 26 26 23.1% 0
June 2026 26 26 69.2% 0
July 2026 28 28 71.4% 0

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