WN3933

WN3933 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Tampa to Chicago. Of 373 departures recorded from October 2024 to July 2026, 70.2% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January194▼ 78.9%
February93▼ 66.7%
March284▼ 85.7%
April1033▲ 230.0%
May538▲ 660.0%
June2625▼ 3.8%
July3122▼ 29.0%
August4––
September–––
October4–in progress
November24––
December27––
Year to date (Jan–Jul)128129▲ 0.8%

according to the US BTS · October 2024 → 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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January31.6%100.0%▲ 216.7%
February66.7%100.0%▲ 50.0%
March64.3%25.0%▼ 61.1%
April40.0%69.7%▲ 74.3%
May40.0%44.7%▲ 11.9%
June69.2%72.0%▲ 4.0%
July61.3%50.0%▼ 18.4%
August75.0%––
September–––
October75.0%–in progress
November100.0%––
December100.0%––
Year-to-date average (Jan–Jul)53.3%65.9%▲ 23.7%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September–––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)00

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 100.0% 373
  • Cancelled 0.0% 0

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

On time, leg by leg

  1. TPA–MDW61 65.6%
  2. ATL–MSY57 63.2%
  3. OGG–HNL55 100.0%
  4. STL–JAX34 67.7%
  5. STL–MDW33 54.6%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 42 42 95.2% 0
November 2024 7 7 100.0% 0
December 2024 8 8 100.0% 0
January 2025 19 19 31.6% 0
February 2025 9 9 66.7% 0
March 2025 28 28 64.3% 0
April 2025 10 10 40.0% 0
May 2025 5 5 40.0% 0
June 2025 26 26 69.2% 0
July 2025 31 31 61.3% 0
August 2025 4 4 75.0% 0
October 2025 4 4 75.0% 0
November 2025 24 24 100.0% 0
December 2025 27 27 100.0% 0
January 2026 4 4 100.0% 0
February 2026 3 3 100.0% 0
March 2026 4 4 25.0% 0
April 2026 33 33 69.7% 0
May 2026 38 38 44.7% 0
June 2026 25 25 72.0% 0
July 2026 22 22 50.0% 0

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