WN3656

WN3656 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Dulles to Phoenix. Of 499 departures recorded from October 2024 to July 2026, 65.5% 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
January124▼ 66.7%
February19––
March2848▲ 71.4%
April3325▼ 24.2%
May3123▼ 25.8%
June2633▲ 26.9%
July2735▲ 29.6%
August11––
September8––
October18–in progress
November29––
December30––

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
January58.3%33.3%▼ 42.9%
February84.2%––
March69.2%64.6%▼ 6.7%
April90.9%68.0%▼ 25.2%
May80.7%87.0%▲ 7.8%
June34.6%39.4%▲ 13.8%
July53.9%51.4%▼ 4.5%
August81.8%––
September100.0%––
October83.3%–in progress
November55.2%––
December26.7%––

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
January01–
February0––
March20▼ 100.0%
April00–
May00–
June00–
July10▼ 100.0%
August0––
September0––
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 99.2% 495
  • Cancelled 0.8% 4

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. IAD–PHX82 78.1%
  2. MCO–SJU61 38.3%
  3. MCI–MDW52 45.1%
  4. BHM–MCO41 46.3%
  5. RSW–ORD40 80.0%
  6. RNO–PHX40 82.5%
  7. MCO–BWI32 76.7%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 90.0% 0
November 2024 26 26 80.8% 0
December 2024 23 23 82.6% 0
January 2025 12 12 58.3% 0
February 2025 19 19 84.2% 0
March 2025 28 26 69.2% 2
April 2025 33 33 90.9% 0
May 2025 31 31 80.7% 0
June 2025 26 26 34.6% 0
July 2025 27 26 53.9% 1
August 2025 11 11 81.8% 0
September 2025 8 8 100.0% 0
October 2025 18 18 83.3% 0
November 2025 29 29 55.2% 0
December 2025 30 30 26.7% 0
January 2026 4 3 33.3% 1
March 2026 48 48 64.6% 0
April 2026 25 25 68.0% 0
May 2026 23 23 87.0% 0
June 2026 33 33 39.4% 0
July 2026 35 35 51.4% 0

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