WN1249

WN1249 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Seattle to Las Vegas. Of 757 departures recorded from October 2024 to July 2026, 74.4% 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
January33330.0%
February2028▲ 40.0%
March3035▲ 16.7%
April3034▲ 13.3%
May3135▲ 12.9%
June3046▲ 53.3%
July3150▲ 61.3%
August30––
September30––
October35–in progress
November61––
December49––
Year to date (Jan–Jul)205261▲ 27.3%

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
January93.6%75.8%▼ 19.0%
February80.0%96.4%▲ 20.5%
March96.7%97.1%▲ 0.5%
April80.0%52.9%▼ 33.8%
May48.4%8.6%▼ 82.3%
June100.0%60.0%▼ 40.0%
July93.3%70.0%▼ 25.0%
August100.0%––
September93.3%––
October58.8%–in progress
November58.3%––
December59.2%––
Year-to-date average (Jan–Jul)84.6%65.8%▼ 22.1%

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
January20▼ 100.0%
February00–
March00–
April00–
May00–
June01–
July10▼ 100.0%
August0––
September0––
October1–in progress
November1––
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 99.2% 751
  • Cancelled 0.8% 6

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. SEA–LAS65 93.9%
  2. KOA–HNL60 96.6%
  3. HOU–LGA58 63.8%
  4. ATL–DEN58 27.6%
  5. BOS–BNA57 96.5%
  6. HOU–ELP47 91.5%
  7. LAS–LAX39 51.3%
  8. MCO–CVG33 78.8%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 76.5% 0
November 2024 30 30 90.0% 0
December 2024 39 39 94.9% 0
January 2025 33 31 93.6% 2
February 2025 20 20 80.0% 0
March 2025 30 30 96.7% 0
April 2025 30 30 80.0% 0
May 2025 31 31 48.4% 0
June 2025 30 30 100.0% 0
July 2025 31 30 93.3% 1
August 2025 30 30 100.0% 0
September 2025 30 30 93.3% 0
October 2025 35 34 58.8% 1
November 2025 61 60 58.3% 1
December 2025 49 49 59.2% 0
January 2026 33 33 75.8% 0
February 2026 28 28 96.4% 0
March 2026 35 35 97.1% 0
April 2026 34 34 52.9% 0
May 2026 35 35 8.6% 0
June 2026 46 45 60.0% 1
July 2026 50 50 70.0% 0

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