WN2499

WN2499 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Denver to Los Angeles. Of 496 departures recorded from October 2024 to July 2026, 71.1% 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
January1228▲ 133.3%
February928▲ 211.1%
March1719▲ 11.8%
April3819▼ 50.0%
May4422▼ 50.0%
June2032▲ 60.0%
July1835▲ 94.4%
August26––
September26––
October9–in progress
November23––
December18––
Year to date (Jan–Jul)158183▲ 15.8%

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
January66.7%89.3%▲ 33.9%
February66.7%67.9%▲ 1.8%
March70.6%94.7%▲ 34.2%
April68.4%63.2%▼ 7.7%
May65.9%68.2%▲ 3.4%
June60.0%84.4%▲ 40.6%
July66.7%85.7%▲ 28.6%
August38.5%––
September65.4%––
October88.9%–in progress
November86.4%––
December61.1%––
Year-to-date average (Jan–Jul)66.4%79.0%▲ 19.0%

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
January00–
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)00

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 99.8% 495
  • Cancelled 0.2% 1

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

On time, leg by leg

  1. DEN–LAX51 52.9%
  2. SAN–SAT50 92.0%
  3. PHX–SAT42 76.2%
  4. LAS–PHX42 61.9%
  5. IND–DAL42 75.6%
  6. ISP–DJT39 64.1%
  7. DEN–PHX35 57.1%
  8. PHX–ONT34 58.8%

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 16 16 75.0% 0
November 2024 21 21 71.4% 0
December 2024 16 16 56.3% 0
January 2025 12 12 66.7% 0
February 2025 9 9 66.7% 0
March 2025 17 17 70.6% 0
April 2025 38 38 68.4% 0
May 2025 44 44 65.9% 0
June 2025 20 20 60.0% 0
July 2025 18 18 66.7% 0
August 2025 26 26 38.5% 0
September 2025 26 26 65.4% 0
October 2025 9 9 88.9% 0
November 2025 23 22 86.4% 1
December 2025 18 18 61.1% 0
January 2026 28 28 89.3% 0
February 2026 28 28 67.9% 0
March 2026 19 19 94.7% 0
April 2026 19 19 63.2% 0
May 2026 22 22 68.2% 0
June 2026 32 32 84.4% 0
July 2026 35 35 85.7% 0

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