WN2519

WN2519 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Kansas City to Denver. Of 793 departures recorded from October 2024 to July 2026, 74.5% 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
January3979▲ 102.6%
February4145▲ 9.8%
March3948▲ 23.1%
April2932▲ 10.3%
May2531▲ 24.0%
June3034▲ 13.3%
July3034▲ 13.3%
August56––
September60––
October31–in progress
November26––
December20––
Year to date (Jan–Jul)233303▲ 30.0%

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
January89.7%89.7%0.0%
February85.4%95.6%▲ 11.9%
March71.1%68.8%▼ 3.2%
April72.4%90.6%▲ 25.2%
May92.0%90.3%▼ 1.8%
June33.3%35.3%▲ 5.9%
July27.6%52.9%▲ 91.9%
August75.0%––
September66.7%––
October67.7%–in progress
November73.1%––
December80.0%––
Year-to-date average (Jan–Jul)67.4%74.7%▲ 11.0%

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
January01–
February00–
March10▼ 100.0%
April00–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)21▼ 50.0%

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 99.5% 789
  • Cancelled 0.5% 4

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

On time, leg by leg

  1. MCI–DEN76 91.9%
  2. DEN–COS60 27.1%
  3. JAX–STL58 89.7%
  4. PDX–DEN57 35.1%
  5. BOI–SMF47 87.2%
  6. DEN–MCI46 80.4%
  7. BWI–JAX42 92.9%
  8. SAN–OAK41 82.9%

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 17 100.0% 0
November 2024 30 29 89.7% 1
December 2024 17 17 88.2% 0
January 2025 39 39 89.7% 0
February 2025 41 41 85.4% 0
March 2025 39 38 71.1% 1
April 2025 29 29 72.4% 0
May 2025 25 25 92.0% 0
June 2025 30 30 33.3% 0
July 2025 30 29 27.6% 1
August 2025 56 56 75.0% 0
September 2025 60 60 66.7% 0
October 2025 31 31 67.7% 0
November 2025 26 26 73.1% 0
December 2025 20 20 80.0% 0
January 2026 79 78 89.7% 1
February 2026 45 45 95.6% 0
March 2026 48 48 68.8% 0
April 2026 32 32 90.6% 0
May 2026 31 31 90.3% 0
June 2026 34 34 35.3% 0
July 2026 34 34 52.9% 0

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