WN2312

WN2312 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Phoenix to Denver. Of 584 departures recorded from October 2024 to July 2026, 76.3% 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
January2739▲ 44.4%
February2833▲ 17.9%
March3321▼ 36.4%
April3127▼ 12.9%
May3231▼ 3.1%
June257▼ 72.0%
July275▼ 81.5%
August29––
September29––
October26–in progress
November66––
December39––
Year to date (Jan–Jul)203163▼ 19.7%

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
January92.6%94.9%▲ 2.5%
February85.7%78.8%▼ 8.1%
March93.9%38.1%▼ 59.4%
April83.9%92.6%▲ 10.4%
May87.5%96.8%▲ 10.6%
June52.0%57.1%▲ 9.9%
July46.2%20.0%▼ 56.7%
August69.0%––
September89.7%––
October61.5%–in progress
November59.1%––
December76.3%––
Year-to-date average (Jan–Jul)77.4%68.3%▼ 11.7%

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–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)10▼ 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 99.7% 582
  • Cancelled 0.3% 2

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 26, 2026

On time, leg by leg

  1. PHX–DEN83 65.1%
  2. HOU–DEN57 98.3%
  3. LAS–SEA47 87.2%
  4. HOU–ATL42 90.5%
  5. OAK–SBA39 87.2%
  6. DAL–SAT39 56.4%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 14 100.0% 0
November 2024 5 5 100.0% 0
December 2024 10 10 50.0% 0
January 2025 27 27 92.6% 0
February 2025 28 28 85.7% 0
March 2025 33 33 93.9% 0
April 2025 31 31 83.9% 0
May 2025 32 32 87.5% 0
June 2025 25 25 52.0% 0
July 2025 27 26 46.2% 1
August 2025 29 29 69.0% 0
September 2025 29 29 89.7% 0
October 2025 26 26 61.5% 0
November 2025 66 66 59.1% 0
December 2025 39 38 76.3% 1
January 2026 39 39 94.9% 0
February 2026 33 33 78.8% 0
March 2026 21 21 38.1% 0
April 2026 27 27 92.6% 0
May 2026 31 31 96.8% 0
June 2026 7 7 57.1% 0
July 2026 5 5 20.0% 0

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