WN175

WN175 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Ontario to Phoenix. Of 769 departures recorded from October 2024 to July 2026, 81.7% 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
January4030▼ 25.0%
February4331▼ 27.9%
March5531▼ 43.6%
April4430▼ 31.8%
May3932▼ 17.9%
June3230▼ 6.3%
July31310.0%
August31––
September30––
October31–in progress
November28––
December26––
Year to date (Jan–Jul)284215▼ 24.3%

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
January79.5%70.0%▼ 11.9%
February92.7%77.4%▼ 16.5%
March85.2%90.3%▲ 6.0%
April93.2%93.3%▲ 0.2%
May82.1%93.8%▲ 14.3%
June100.0%23.3%▼ 76.7%
July96.8%35.5%▼ 63.3%
August80.7%––
September70.0%––
October61.3%–in progress
November89.3%––
December96.2%––
Year-to-date average (Jan–Jul)89.9%69.1%▼ 23.2%

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%
February20▼ 100.0%
March10▼ 100.0%
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)40▼ 100.0%

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 99.3% 764
  • Cancelled 0.7% 5

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

On time, leg by leg

  1. ONT–PHX61 98.4%
  2. STL–DTW58 74.1%
  3. DEN–OKC58 25.9%
  4. ATL–DCA58 87.9%
  5. ABQ–LAS58 74.1%
  6. ALB–MCO57 98.3%
  7. SNA–PHX46 86.4%
  8. STL–CLE33 87.9%

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 20 20 95.0% 0
November 2024 46 46 89.1% 0
December 2024 58 57 87.7% 1
January 2025 40 39 79.5% 1
February 2025 43 41 92.7% 2
March 2025 55 54 85.2% 1
April 2025 44 44 93.2% 0
May 2025 39 39 82.1% 0
June 2025 32 32 100.0% 0
July 2025 31 31 96.8% 0
August 2025 31 31 80.7% 0
September 2025 30 30 70.0% 0
October 2025 31 31 61.3% 0
November 2025 28 28 89.3% 0
December 2025 26 26 96.2% 0
January 2026 30 30 70.0% 0
February 2026 31 31 77.4% 0
March 2026 31 31 90.3% 0
April 2026 30 30 93.3% 0
May 2026 32 32 93.8% 0
June 2026 30 30 23.3% 0
July 2026 31 31 35.5% 0

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