WN3307

WN3307 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Fort Lauderdale to Chicago. Of 508 departures recorded from October 2024 to July 2026, 65.2% 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
January2924▼ 17.2%
February2817▼ 39.3%
March3119▼ 38.7%
April4528▼ 37.8%
May5630▼ 46.4%
June910▲ 11.1%
July49▲ 125.0%
August34––
September39––
October1–in progress
November26––
December22––
Year to date (Jan–Jul)202137▼ 32.2%

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
January71.4%91.3%▲ 27.8%
February70.4%64.7%▼ 8.0%
March73.3%26.3%▼ 64.1%
April64.4%42.9%▼ 33.5%
May71.4%46.7%▼ 34.7%
June100.0%20.0%▼ 80.0%
July100.0%11.1%▼ 88.9%
August61.8%––
September48.7%––
October0.0%–in progress
November84.6%––
December72.7%––
Year-to-date average (Jan–Jul)78.7%43.3%▼ 45.0%

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
January110.0%
February10▼ 100.0%
March10▼ 100.0%
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

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 99.0% 503
  • Cancelled 1.0% 5

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026

On time, leg by leg

  1. FLL–MDW81 75.0%
  2. LAS–STL57 43.9%
  3. DEN–LAS51 76.5%
  4. MSY–SAT46 84.8%
  5. SAN–DEN42 54.8%
  6. RDU–DAL41 80.0%
  7. BWI–MHT33 78.1%
  8. SBA–OAK32 75.0%

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 10 10 70.0% 0
November 2024 21 21 95.2% 0
December 2024 16 15 93.3% 1
January 2025 29 28 71.4% 1
February 2025 28 27 70.4% 1
March 2025 31 30 73.3% 1
April 2025 45 45 64.4% 0
May 2025 56 56 71.4% 0
June 2025 9 9 100.0% 0
July 2025 4 4 100.0% 0
August 2025 34 34 61.8% 0
September 2025 39 39 48.7% 0
October 2025 1 1 0.0% 0
November 2025 26 26 84.6% 0
December 2025 22 22 72.7% 0
January 2026 24 23 91.3% 1
February 2026 17 17 64.7% 0
March 2026 19 19 26.3% 0
April 2026 28 28 42.9% 0
May 2026 30 30 46.7% 0
June 2026 10 10 20.0% 0
July 2026 9 9 11.1% 0

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