WN1045

WN1045 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Charleston to Chicago. Of 691 departures recorded from October 2024 to July 2026, 78.0% 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
January3336▲ 9.1%
February3336▲ 9.1%
March4032▼ 20.0%
April3240▲ 25.0%
May3044▲ 46.7%
June2647▲ 80.8%
July2650▲ 92.3%
August26––
September26––
October1–in progress
November27––
December29––
Year to date (Jan–Jul)220285▲ 29.5%

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
January90.0%85.7%▼ 4.8%
February75.8%88.2%▲ 16.5%
March82.5%93.6%▲ 13.4%
April90.6%67.5%▼ 25.5%
May96.7%65.9%▼ 31.8%
June65.4%31.9%▼ 51.2%
July61.5%61.7%▲ 0.3%
August84.6%––
September88.5%––
October100.0%–in progress
November96.3%––
December79.3%––
Year-to-date average (Jan–Jul)80.4%70.6%▼ 12.1%

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
January31▼ 66.7%
February02–
March01–
April00–
May00–
June00–
July03–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)37▲ 133.3%

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 98.6% 681
  • Cancelled 1.4% 10

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

On time, leg by leg

  1. CHS–MDW64 93.8%
  2. PHX–SJC60 86.7%
  3. BWI–SRQ58 89.1%
  4. MDW–STL57 96.5%
  5. HOU–PHX51 60.8%
  6. DAL–DCA50 50.0%
  7. BWI–DJT49 43.5%
  8. HOU–ATL42 90.5%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 88.2% 0
November 2024 30 30 93.3% 0
December 2024 30 30 93.3% 0
January 2025 33 30 90.0% 3
February 2025 33 33 75.8% 0
March 2025 40 40 82.5% 0
April 2025 32 32 90.6% 0
May 2025 30 30 96.7% 0
June 2025 26 26 65.4% 0
July 2025 26 26 61.5% 0
August 2025 26 26 84.6% 0
September 2025 26 26 88.5% 0
October 2025 1 1 100.0% 0
November 2025 27 27 96.3% 0
December 2025 29 29 79.3% 0
January 2026 36 35 85.7% 1
February 2026 36 34 88.2% 2
March 2026 32 31 93.6% 1
April 2026 40 40 67.5% 0
May 2026 44 44 65.9% 0
June 2026 47 47 31.9% 0
July 2026 50 47 61.7% 3

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