WN225

WN225 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Denver to Chicago. Of 727 departures recorded from October 2024 to July 2026, 77.2% 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
January3036▲ 20.0%
February2836▲ 28.6%
March1732▲ 88.2%
April2632▲ 23.1%
May3137▲ 19.4%
June3044▲ 46.7%
July3149▲ 58.1%
August37––
September38––
October48–in progress
November32––
December31––
Year to date (Jan–Jul)193266▲ 37.8%

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
January93.1%91.7%▼ 1.5%
February89.3%69.4%▼ 22.2%
March82.4%56.3%▼ 31.7%
April80.8%64.5%▼ 20.1%
May90.3%70.3%▼ 22.2%
June96.7%73.8%▼ 23.6%
July87.1%51.1%▼ 41.4%
August72.2%––
September71.1%––
October79.2%–in progress
November78.1%––
December64.5%––
Year-to-date average (Jan–Jul)88.5%68.1%▼ 23.0%

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
January10▼ 100.0%
February00–
March00–
April01–
May00–
June02–
July02–
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)15▲ 400.0%

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 99.0% 720
  • Cancelled 1.0% 7

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

On time, leg by leg

  1. DEN–ORD91 92.2%
  2. DEN–BUR64 71.9%
  3. ABQ–PHX63 71.4%
  4. MHT–MCO61 91.7%
  5. OAK–LGB58 89.7%
  6. ATL–MCI53 75.5%
  7. BWI–RDU33 45.5%
  8. ATL–DCA32 80.7%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 30 30 90.0% 0
December 2024 32 32 81.3% 0
January 2025 30 29 93.1% 1
February 2025 28 28 89.3% 0
March 2025 17 17 82.4% 0
April 2025 26 26 80.8% 0
May 2025 31 31 90.3% 0
June 2025 30 30 96.7% 0
July 2025 31 31 87.1% 0
August 2025 37 36 72.2% 1
September 2025 38 38 71.1% 0
October 2025 48 48 79.2% 0
November 2025 32 32 78.1% 0
December 2025 31 31 64.5% 0
January 2026 36 36 91.7% 0
February 2026 36 36 69.4% 0
March 2026 32 32 56.3% 0
April 2026 32 31 64.5% 1
May 2026 37 37 70.3% 0
June 2026 44 42 73.8% 2
July 2026 49 47 51.1% 2

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