WN4501

WN4501 (Southwest Airlines) is a multi-stop service on 14 routes, busiest Fort Myers to Pittsburgh. Of 566 departures recorded from October 2024 to July 2026, 77.6% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January645▼ 92.2%
February48––
March1020▲ 100.0%
April2026▲ 30.0%
May2526▲ 4.0%
June3034▲ 13.3%
July3034▲ 13.3%
August29––
September30––
October––in progress
November28––
December31––

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January87.1%75.0%▼ 13.9%
February75.0%––
March90.0%65.0%▼ 27.8%
April90.0%76.9%▼ 14.5%
May100.0%61.5%▼ 38.5%
June70.0%82.4%▲ 17.6%
July56.7%91.2%▲ 60.9%
August75.9%––
September93.3%––
October––in progress
November67.9%––
December45.2%––

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January21▼ 50.0%
February0––
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October––in progress
November0––
December0––

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 99.5% 563
  • Cancelled 0.5% 3

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

On time, leg by leg

  1. RSW–PIT116 81.9%
  2. SMF–SNA74 85.1%
  3. MCO–SJU64 57.1%
  4. SJC–LAS60 61.7%
  5. MCO–STL57 93.0%
  6. STL–MSY50 72.0%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 70.0% 0
November 2024 26 26 92.3% 0
December 2024 30 30 83.3% 0
January 2025 64 62 87.1% 2
February 2025 48 48 75.0% 0
March 2025 10 10 90.0% 0
April 2025 20 20 90.0% 0
May 2025 25 25 100.0% 0
June 2025 30 30 70.0% 0
July 2025 30 30 56.7% 0
August 2025 29 29 75.9% 0
September 2025 30 30 93.3% 0
November 2025 28 28 67.9% 0
December 2025 31 31 45.2% 0
January 2026 5 4 75.0% 1
March 2026 20 20 65.0% 0
April 2026 26 26 76.9% 0
May 2026 26 26 61.5% 0
June 2026 34 34 82.4% 0
July 2026 34 34 91.2% 0

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