WN2403

WN2403 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Washington to St Louis. Of 597 departures recorded from October 2024 to July 2026, 76.9% 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
January638▲ 533.3%
February1739▲ 129.4%
March2939▲ 34.5%
April3020▼ 33.3%
May3118▼ 41.9%
June4228▼ 33.3%
July4331▼ 27.9%
August30––
September26––
October34–in progress
November41––
December35––
Year to date (Jan–Jul)198213▲ 7.6%

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
January83.3%89.5%▲ 7.4%
February94.1%66.7%▼ 29.2%
March86.2%63.2%▼ 26.7%
April86.7%75.0%▼ 13.5%
May90.3%44.4%▼ 50.8%
June71.4%96.4%▲ 35.0%
July74.4%100.0%▲ 34.4%
August66.7%––
September46.2%––
October91.2%–in progress
November61.0%––
December74.3%––
Year-to-date average (Jan–Jul)83.8%76.5%▼ 8.8%

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
January00–
February00–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)01

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 99.8% 596
  • Cancelled 0.2% 1

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

On time, leg by leg

  1. DCA–STL60 65.0%
  2. LGB–SJC58 87.9%
  3. LAX–LAS57 98.3%
  4. SNA–LAS50 56.0%
  5. DJT–BWI50 90.0%
  6. MEM–DEN43 72.1%
  7. MDW–MEM35 65.7%
  8. HOU–ELP33 62.5%

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 7 7 71.4% 0
November 2024 7 7 100.0% 0
December 2024 6 6 83.3% 0
January 2025 6 6 83.3% 0
February 2025 17 17 94.1% 0
March 2025 29 29 86.2% 0
April 2025 30 30 86.7% 0
May 2025 31 31 90.3% 0
June 2025 42 42 71.4% 0
July 2025 43 43 74.4% 0
August 2025 30 30 66.7% 0
September 2025 26 26 46.2% 0
October 2025 34 34 91.2% 0
November 2025 41 41 61.0% 0
December 2025 35 35 74.3% 0
January 2026 38 38 89.5% 0
February 2026 39 39 66.7% 0
March 2026 39 38 63.2% 1
April 2026 20 20 75.0% 0
May 2026 18 18 44.4% 0
June 2026 28 28 96.4% 0
July 2026 31 31 100.0% 0

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