WN3657

WN3657 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Philadelphia to Orlando. Of 363 departures recorded from October 2024 to July 2026, 83.4% 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
January75▼ 28.6%
February10––
March115▲ 1,400.0%
April269▼ 65.4%
May3411▼ 67.6%
June2723▼ 14.8%
July27270.0%
August3––
September–––
October30–in progress
November30––
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
January85.7%60.0%▼ 30.0%
February60.0%––
March100.0%66.7%▼ 33.3%
April92.3%77.8%▼ 15.7%
May88.2%81.8%▼ 7.3%
June96.3%82.6%▼ 14.2%
July85.2%96.3%▲ 13.0%
August33.3%––
September–––
October93.3%–in progress
November80.0%––
December93.6%––

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
January00–
February0––
March00–
April00–
May00–
June00–
July00–
August0––
September–––
October0–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 99.7% 362
  • Cancelled 0.3% 1

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

On time, leg by leg

  1. PHL–MCO64 84.4%
  2. BUR–DEN58 87.9%
  3. SJC–BNA50 90.0%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 13 76.9% 1
November 2024 19 19 68.4% 0
December 2024 14 14 50.0% 0
January 2025 7 7 85.7% 0
February 2025 10 10 60.0% 0
March 2025 1 1 100.0% 0
April 2025 26 26 92.3% 0
May 2025 34 34 88.2% 0
June 2025 27 27 96.3% 0
July 2025 27 27 85.2% 0
August 2025 3 3 33.3% 0
October 2025 30 30 93.3% 0
November 2025 30 30 80.0% 0
December 2025 31 31 93.6% 0
January 2026 5 5 60.0% 0
March 2026 15 15 66.7% 0
April 2026 9 9 77.8% 0
May 2026 11 11 81.8% 0
June 2026 23 23 82.6% 0
July 2026 27 27 96.3% 0

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