WN649

WN649 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Chicago to Nashville. Of 725 departures recorded from October 2024 to July 2026, 79.5% 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
January3041▲ 36.7%
February3644▲ 22.2%
March3829▼ 23.7%
April3242▲ 31.3%
May3149▲ 58.1%
June2931▲ 6.9%
July3031▲ 3.3%
August27––
September26––
October43–in progress
November29––
December29––
Year to date (Jan–Jul)226267▲ 18.1%

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
January96.7%85.4%▼ 11.7%
February97.2%81.8%▼ 15.8%
March78.4%89.3%▲ 13.9%
April78.1%76.2%▼ 2.5%
May87.1%69.4%▼ 20.3%
June85.7%67.7%▼ 21.0%
July80.0%61.3%▼ 23.4%
August85.2%––
September80.8%––
October48.8%–in progress
November72.4%––
December69.0%––
Year-to-date average (Jan–Jul)86.2%75.9%▼ 12.0%

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
January00–
February00–
March110.0%
April00–
May00–
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)21▼ 50.0%

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 99.6% 722
  • Cancelled 0.4% 3

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

On time, leg by leg

  1. MDW–BNA92 78.9%
  2. PHX–BOI89 96.6%
  3. BNA–SRQ58 86.2%
  4. PHX–TUL50 76.0%
  5. SNA–SJC47 87.2%
  6. BWI–RDU42 71.4%
  7. PIT–RSW33 45.5%

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 28 28 89.3% 0
November 2024 21 21 95.2% 0
December 2024 29 29 96.6% 0
January 2025 30 30 96.7% 0
February 2025 36 36 97.2% 0
March 2025 38 37 78.4% 1
April 2025 32 32 78.1% 0
May 2025 31 31 87.1% 0
June 2025 29 28 85.7% 1
July 2025 30 30 80.0% 0
August 2025 27 27 85.2% 0
September 2025 26 26 80.8% 0
October 2025 43 43 48.8% 0
November 2025 29 29 72.4% 0
December 2025 29 29 69.0% 0
January 2026 41 41 85.4% 0
February 2026 44 44 81.8% 0
March 2026 29 28 89.3% 1
April 2026 42 42 76.2% 0
May 2026 49 49 69.4% 0
June 2026 31 31 67.7% 0
July 2026 31 31 61.3% 0

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