WN3176

WN3176 (Southwest Airlines) is a multi-stop service on 29 routes, busiest San Diego to Denver. Of 561 departures recorded from October 2024 to July 2026, 78.3% 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
January228▲ 1,300.0%
February2428▲ 16.7%
March4131▼ 24.4%
April4433▼ 25.0%
May4136▼ 12.2%
June3510▼ 71.4%
July369▼ 75.0%
August29––
September30––
October31–in progress
November15––
December18––
Year to date (Jan–Jul)223175▼ 21.5%

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
January50.0%92.3%▲ 84.6%
February83.3%78.6%▼ 5.7%
March77.5%83.9%▲ 8.2%
April77.3%75.8%▼ 2.0%
May85.0%61.1%▼ 28.1%
June70.6%60.0%▼ 15.0%
July86.1%88.9%▲ 3.2%
August75.9%––
September70.0%––
October90.3%–in progress
November86.7%––
December76.5%––
Year-to-date average (Jan–Jul)75.7%77.2%▲ 2.0%

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
January02–
February00–
March10▼ 100.0%
April00–
May10▼ 100.0%
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)32▼ 33.3%

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% 554
  • Cancelled 1.2% 7

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026

On time, leg by leg

  1. SAN–DEN62 70.5%
  2. BWI–TPA58 65.5%
  3. SAN–MDW51 88.0%
  4. LAS–SNA42 73.8%
  5. BWI–MSY42 90.0%
  6. BNA–MCO33 81.8%
  7. KOA–HNL31 87.1%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 11 11 63.6% 0
November 2024 18 18 77.8% 0
December 2024 11 10 80.0% 1
January 2025 2 2 50.0% 0
February 2025 24 24 83.3% 0
March 2025 41 40 77.5% 1
April 2025 44 44 77.3% 0
May 2025 41 40 85.0% 1
June 2025 35 34 70.6% 1
July 2025 36 36 86.1% 0
August 2025 29 29 75.9% 0
September 2025 30 30 70.0% 0
October 2025 31 31 90.3% 0
November 2025 15 15 86.7% 0
December 2025 18 17 76.5% 1
January 2026 28 26 92.3% 2
February 2026 28 28 78.6% 0
March 2026 31 31 83.9% 0
April 2026 33 33 75.8% 0
May 2026 36 36 61.1% 0
June 2026 10 10 60.0% 0
July 2026 9 9 88.9% 0

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