WN3175

WN3175 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Las Vegas to Denver. Of 596 departures recorded from October 2024 to July 2026, 71.1% 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
January3148▲ 54.8%
February3127▼ 12.9%
March518▲ 260.0%
April4330▼ 30.2%
May5835▼ 39.7%
June332▼ 93.9%
July3012▼ 60.0%
August39––
September39––
October32–in progress
November25––
December19––
Year to date (Jan–Jul)231172▼ 25.5%

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
January83.9%77.1%▼ 8.1%
February56.7%70.4%▲ 24.2%
March60.0%66.7%▲ 11.1%
April88.4%53.3%▼ 39.7%
May86.0%35.3%▼ 58.9%
June63.6%50.0%▼ 21.4%
July48.3%58.3%▲ 20.8%
August97.4%––
September82.1%––
October90.3%–in progress
November47.8%––
December36.8%––
Year-to-date average (Jan–Jul)69.5%58.7%▼ 15.6%

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–
February10▼ 100.0%
March00–
April00–
May110.0%
June00–
July10▼ 100.0%
August0––
September0––
October1–in progress
November2––
December0––
Year to date (Jan–Jul)31▼ 66.7%

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 98.8% 589
  • Cancelled 1.2% 7

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

On time, leg by leg

  1. LAS–DEN83 71.1%
  2. HOU–TUL60 52.5%
  3. LGB–OAK58 93.1%
  4. DAL–DEN56 43.6%
  5. SAN–SMF50 87.8%
  6. SMF–PHX47 80.9%
  7. LAS–LAX36 38.2%
  8. KOA–HNL31 90.0%

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 9 9 100.0% 0
November 2024 10 10 80.0% 0
December 2024 20 20 70.0% 0
January 2025 31 31 83.9% 0
February 2025 31 30 56.7% 1
March 2025 5 5 60.0% 0
April 2025 43 43 88.4% 0
May 2025 58 57 86.0% 1
June 2025 33 33 63.6% 0
July 2025 30 29 48.3% 1
August 2025 39 39 97.4% 0
September 2025 39 39 82.1% 0
October 2025 32 31 90.3% 1
November 2025 25 23 47.8% 2
December 2025 19 19 36.8% 0
January 2026 48 48 77.1% 0
February 2026 27 27 70.4% 0
March 2026 18 18 66.7% 0
April 2026 30 30 53.3% 0
May 2026 35 34 35.3% 1
June 2026 2 2 50.0% 0
July 2026 12 12 58.3% 0

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