WN2576

WN2576 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Denver to Ontario. Of 627 departures recorded from October 2024 to July 2026, 67.2% 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
January932▲ 255.6%
February1018▲ 80.0%
March2130▲ 42.9%
April3930▼ 23.1%
May4231▼ 26.2%
June4114▼ 65.9%
July3813▼ 65.8%
August31––
September30––
October35–in progress
November31––
December33––
Year to date (Jan–Jul)200168▼ 16.0%

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
January77.8%73.3%▼ 5.7%
February80.0%100.0%▲ 25.0%
March85.7%56.7%▼ 33.9%
April79.5%36.7%▼ 53.9%
May73.8%23.3%▼ 68.4%
June56.1%57.1%▲ 1.9%
July47.4%84.6%▲ 78.6%
August66.7%––
September66.7%––
October74.3%–in progress
November64.5%––
December69.7%––
Year-to-date average (Jan–Jul)71.5%61.7%▼ 13.7%

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–
February02–
March00–
April00–
May01–
June00–
July00–
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)05

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 99.0% 621
  • Cancelled 1.0% 6

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. DEN–ONT121 66.9%
  2. MCO–BUF58 28.1%
  3. CHS–DEN50 68.0%
  4. BDL–BNA47 90.7%
  5. MSP–MDW42 45.2%
  6. BWI–MYR33 48.5%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 15 15 86.7% 0
November 2024 53 53 86.8% 0
December 2024 31 31 67.7% 0
January 2025 9 9 77.8% 0
February 2025 10 10 80.0% 0
March 2025 21 21 85.7% 0
April 2025 39 39 79.5% 0
May 2025 42 42 73.8% 0
June 2025 41 41 56.1% 0
July 2025 38 38 47.4% 0
August 2025 31 30 66.7% 1
September 2025 30 30 66.7% 0
October 2025 35 35 74.3% 0
November 2025 31 31 64.5% 0
December 2025 33 33 69.7% 0
January 2026 32 30 73.3% 2
February 2026 18 16 100.0% 2
March 2026 30 30 56.7% 0
April 2026 30 30 36.7% 0
May 2026 31 30 23.3% 1
June 2026 14 14 57.1% 0
July 2026 13 13 84.6% 0

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