WN2421

WN2421 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Los Angeles to Oakland. Of 669 departures recorded from October 2024 to July 2026, 70.6% 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
January2931▲ 6.9%
February1628▲ 75.0%
March3524▼ 31.4%
April3229▼ 9.4%
May3130▼ 3.2%
June3046▲ 53.3%
July3149▲ 58.1%
August23––
September21––
October29–in progress
November30––
December31––
Year to date (Jan–Jul)204237▲ 16.2%

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
January89.7%92.9%▲ 3.6%
February87.5%96.4%▲ 10.2%
March87.9%52.2%▼ 40.6%
April71.9%69.0%▼ 4.0%
May54.8%53.3%▼ 2.8%
June56.7%37.0%▼ 34.8%
July61.3%63.3%▲ 3.2%
August73.9%––
September76.2%––
October89.7%–in progress
November76.7%––
December64.5%––
Year-to-date average (Jan–Jul)72.8%66.3%▼ 9.0%

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
January03–
February00–
March21▼ 50.0%
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)24▲ 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% 663
  • 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. LAX–OAK100 82.0%
  2. DEN–BHM64 70.3%
  3. LIT–STL58 96.4%
  4. DEN–OKC58 56.9%
  5. HOU–SMF50 54.0%
  6. PHX–MSY42 54.8%
  7. MDW–MSP42 71.4%
  8. LAX–PHX34 50.0%

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 20 20 100.0% 0
November 2024 40 40 62.5% 0
December 2024 34 34 79.4% 0
January 2025 29 29 89.7% 0
February 2025 16 16 87.5% 0
March 2025 35 33 87.9% 2
April 2025 32 32 71.9% 0
May 2025 31 31 54.8% 0
June 2025 30 30 56.7% 0
July 2025 31 31 61.3% 0
August 2025 23 23 73.9% 0
September 2025 21 21 76.2% 0
October 2025 29 29 89.7% 0
November 2025 30 30 76.7% 0
December 2025 31 31 64.5% 0
January 2026 31 28 92.9% 3
February 2026 28 28 96.4% 0
March 2026 24 23 52.2% 1
April 2026 29 29 69.0% 0
May 2026 30 30 53.3% 0
June 2026 46 46 37.0% 0
July 2026 49 49 63.3% 0

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