WN4949

WN4949 (Southwest Airlines) is a multi-stop service on 5 routes, busiest Washington to St Louis. Of 119 departures recorded from April 2025 to July 2026, 52.9% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods7 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–––
February–––
March–––
April341▼ 97.1%
May42––
June716▲ 128.6%
July–18–
August–––
September–––
October––in progress
November1––
December–––

according to the US BTS · April 2025 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods7 periods
PeriodOn time 2025On time 2026Change vs last year
January–––
February–––
March–––
April76.5%0.0%▼ 100.0%
May59.5%––
June71.4%31.3%▼ 56.3%
July–11.1%–
August–––
September–––
October––in progress
November0.0%––
December–––

according to the US BTS · April 2025 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · April 2025 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods7 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–––
February–––
March–––
April00–
May0––
June00–
July–0–
August–––
September–––
October––in progress
November0––
December–––

according to the US BTS · April 2025 → 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 100.0% 119
  • Cancelled 0.0% 0

Share of all recorded flights in the period, all legs. · Apr 8, 2025 → Jul 31, 2026

On time, leg by leg

  1. DCA–STL58 69.0%
  2. MSY–ATL34 20.6%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
April 2025 34 34 76.5% 0
May 2025 42 42 59.5% 0
June 2025 7 7 71.4% 0
November 2025 1 1 0.0% 0
April 2026 1 1 0.0% 0
June 2026 16 16 31.3% 0
July 2026 18 18 11.1% 0

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