WN3147

WN3147 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Las Vegas to Denver. Of 514 departures recorded from October 2024 to July 2026, 76.1% 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
January1135▲ 218.2%
February1926▲ 36.8%
March1130▲ 172.7%
April4019▼ 52.5%
May5118▼ 64.7%
June3317▼ 48.5%
July3118▼ 41.9%
August24––
September21––
October34–in progress
November19––
December15––
Year to date (Jan–Jul)196163▼ 16.8%

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
January81.8%93.9%▲ 14.8%
February79.0%96.2%▲ 21.8%
March81.8%90.0%▲ 10.0%
April85.0%52.6%▼ 38.1%
May80.4%35.3%▼ 56.1%
June84.9%11.8%▼ 86.1%
July87.1%33.3%▼ 61.7%
August54.2%––
September52.4%––
October82.4%–in progress
November94.7%––
December100.0%––
Year-to-date average (Jan–Jul)82.8%59.0%▼ 28.8%

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–
March00–
April00–
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)03

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 99.4% 511
  • Cancelled 0.6% 3

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

On time, leg by leg

  1. LAS–DEN75 72.0%
  2. CMH–TPA61 88.5%
  3. LAS–ABQ57 80.7%
  4. ATL–AUS47 93.5%
  5. ONT–DEN34 23.5%
  6. LAS–BWI32 90.6%
  7. DEN–AUS32 32.3%
  8. PHX–MCI31 83.9%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 11 11 54.6% 0
November 2024 17 17 88.2% 0
December 2024 14 14 92.9% 0
January 2025 11 11 81.8% 0
February 2025 19 19 79.0% 0
March 2025 11 11 81.8% 0
April 2025 40 40 85.0% 0
May 2025 51 51 80.4% 0
June 2025 33 33 84.9% 0
July 2025 31 31 87.1% 0
August 2025 24 24 54.2% 0
September 2025 21 21 52.4% 0
October 2025 34 34 82.4% 0
November 2025 19 19 94.7% 0
December 2025 15 15 100.0% 0
January 2026 35 33 93.9% 2
February 2026 26 26 96.2% 0
March 2026 30 30 90.0% 0
April 2026 19 19 52.6% 0
May 2026 18 17 35.3% 1
June 2026 17 17 11.8% 0
July 2026 18 18 33.3% 0

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