WN205

WN205 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Denver to Boise. Of 737 departures recorded from October 2024 to July 2026, 73.3% 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
January33330.0%
February3034▲ 13.3%
March4332▼ 25.6%
April3337▲ 12.1%
May3139▲ 25.8%
June4231▼ 26.2%
July4531▼ 31.1%
August30––
September26––
October31–in progress
November32––
December40––
Year to date (Jan–Jul)257237▼ 7.8%

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
January87.9%93.9%▲ 6.9%
February86.7%64.7%▼ 25.3%
March97.7%50.0%▼ 48.8%
April69.7%73.0%▲ 4.7%
May45.2%53.9%▲ 19.2%
June45.2%53.3%▲ 17.9%
July50.0%87.1%▲ 74.2%
August60.0%––
September73.1%––
October83.9%–in progress
November100.0%––
December75.0%––
Year-to-date average (Jan–Jul)68.9%68.0%▼ 1.3%

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–
March00–
April00–
May00–
June01–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)110.0%

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 99.7% 735
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. DEN–BOI58 50.0%
  2. HOU–FLL54 79.6%
  3. MDW–MSP50 66.0%
  4. DEN–SAT46 91.3%
  5. DEN–TUS43 40.5%
  6. ATL–BNA42 76.2%
  7. OAK–LAS33 48.5%
  8. BNA–RIC32 46.9%

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 23 23 91.3% 0
November 2024 31 31 93.6% 0
December 2024 30 30 96.7% 0
January 2025 33 33 87.9% 0
February 2025 30 30 86.7% 0
March 2025 43 43 97.7% 0
April 2025 33 33 69.7% 0
May 2025 31 31 45.2% 0
June 2025 42 42 45.2% 0
July 2025 45 44 50.0% 1
August 2025 30 30 60.0% 0
September 2025 26 26 73.1% 0
October 2025 31 31 83.9% 0
November 2025 32 32 100.0% 0
December 2025 40 40 75.0% 0
January 2026 33 33 93.9% 0
February 2026 34 34 64.7% 0
March 2026 32 32 50.0% 0
April 2026 37 37 73.0% 0
May 2026 39 39 53.9% 0
June 2026 31 30 53.3% 1
July 2026 31 31 87.1% 0

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