WN2646

WN2646 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Salt Lake City to Chicago. Of 528 departures recorded from October 2024 to July 2026, 71.8% 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
January4926▼ 46.9%
February3627▼ 25.0%
March304▼ 86.7%
April623▲ 283.3%
May–31–
June2617▼ 34.6%
July3217▼ 46.9%
August30––
September30––
October10–in progress
November17––
December25––

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
January71.4%64.0%▼ 10.4%
February62.9%51.9%▼ 17.5%
March56.7%50.0%▼ 11.8%
April66.7%91.3%▲ 36.9%
May–90.3%–
June76.0%47.1%▼ 38.1%
July81.3%52.9%▼ 34.8%
August76.7%––
September70.0%––
October60.0%–in progress
November82.4%––
December92.0%––

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–
February10▼ 100.0%
March00–
April00–
May–0–
June10▼ 100.0%
July00–
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 99.4% 525
  • Cancelled 0.6% 3

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. SLC–MDW73 65.8%
  2. STL–LAS57 71.9%
  3. HOU–ABQ52 86.3%
  4. MDW–CVG49 63.3%
  5. ORD–DAL42 56.1%
  6. MCO–BWI32 90.6%
  7. PHX–DEN32 59.4%

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 7 7 100.0% 0
November 2024 38 38 89.5% 0
December 2024 47 47 59.6% 0
January 2025 49 49 71.4% 0
February 2025 36 35 62.9% 1
March 2025 30 30 56.7% 0
April 2025 6 6 66.7% 0
June 2025 26 25 76.0% 1
July 2025 32 32 81.3% 0
August 2025 30 30 76.7% 0
September 2025 30 30 70.0% 0
October 2025 10 10 60.0% 0
November 2025 17 17 82.4% 0
December 2025 25 25 92.0% 0
January 2026 26 25 64.0% 1
February 2026 27 27 51.9% 0
March 2026 4 4 50.0% 0
April 2026 23 23 91.3% 0
May 2026 31 31 90.3% 0
June 2026 17 17 47.1% 0
July 2026 17 17 52.9% 0

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