WN3561

WN3561 (Southwest Airlines) is a multi-stop service on 27 routes, busiest New York to Chicago. Of 374 departures recorded from October 2024 to July 2026, 72.4% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January61▼ 83.3%
February237▲ 1,750.0%
March14140.0%
April362▼ 94.4%
May45––
June2523▼ 8.0%
July2027▲ 35.0%
August17––
September13––
October35–in progress
November19––
December18––

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
January83.3%0.0%▼ 100.0%
February100.0%75.7%▼ 24.3%
March71.4%85.7%▲ 20.0%
April72.2%100.0%▲ 38.5%
May57.8%––
June62.5%47.8%▼ 23.5%
July72.2%46.2%▼ 36.1%
August94.1%––
September100.0%––
October94.3%–in progress
November66.7%––
December83.3%––

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–
May0––
June10▼ 100.0%
July21▼ 50.0%
August0––
September0––
October0–in progress
November1––
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 98.7% 369
  • Cancelled 1.3% 5

Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026

On time, leg by leg

  1. LGA–MDW44 63.4%
  2. SFO–LAX42 73.8%
  3. SAT–BWI42 39.0%
  4. LAX–DAL40 60.0%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 6 6 100.0% 0
November 2024 4 4 100.0% 0
December 2024 10 10 60.0% 0
January 2025 6 6 83.3% 0
February 2025 2 2 100.0% 0
March 2025 14 14 71.4% 0
April 2025 36 36 72.2% 0
May 2025 45 45 57.8% 0
June 2025 25 24 62.5% 1
July 2025 20 18 72.2% 2
August 2025 17 17 94.1% 0
September 2025 13 13 100.0% 0
October 2025 35 35 94.3% 0
November 2025 19 18 66.7% 1
December 2025 18 18 83.3% 0
January 2026 1 1 0.0% 0
February 2026 37 37 75.7% 0
March 2026 14 14 85.7% 0
April 2026 2 2 100.0% 0
June 2026 23 23 47.8% 0
July 2026 27 26 46.2% 1

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