WN2521

WN2521 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Denver to Orlando. Of 641 departures recorded from October 2024 to July 2026, 69.8% 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
January2844▲ 57.1%
February3233▲ 3.1%
March3010▼ 66.7%
April2225▲ 13.6%
May2331▲ 34.8%
June2842▲ 50.0%
July3145▲ 45.2%
August33––
September34––
October29–in progress
November29––
December31––
Year to date (Jan–Jul)194230▲ 18.6%

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
January73.1%92.7%▲ 26.8%
February75.0%87.1%▲ 16.1%
March76.7%70.0%▼ 8.7%
April90.9%95.8%▲ 5.4%
May82.6%96.8%▲ 17.1%
June53.6%16.7%▼ 68.9%
July61.3%20.5%▼ 66.6%
August71.0%––
September70.6%––
October50.0%–in progress
November79.3%––
December80.7%––
Year-to-date average (Jan–Jul)73.3%68.5%▼ 6.6%

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
January23▲ 50.0%
February02–
March00–
April01–
May00–
June00–
July01–
August2––
September0––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)27▲ 250.0%

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 98.1% 629
  • Cancelled 1.9% 12

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

On time, leg by leg

  1. DEN–MCO94 71.0%
  2. BNA–ECP93 81.3%
  3. KOA–HNL58 98.3%
  4. SJC–BUR51 54.9%
  5. MCO–BWI50 95.7%
  6. PHX–MDW49 2.1%
  7. FLL–BWI39 87.2%
  8. DEN–LAX32 71.9%

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 6 6 66.7% 0
November 2024 26 26 84.6% 0
December 2024 29 29 86.2% 0
January 2025 28 26 73.1% 2
February 2025 32 32 75.0% 0
March 2025 30 30 76.7% 0
April 2025 22 22 90.9% 0
May 2025 23 23 82.6% 0
June 2025 28 28 53.6% 0
July 2025 31 31 61.3% 0
August 2025 33 31 71.0% 2
September 2025 34 34 70.6% 0
October 2025 29 28 50.0% 1
November 2025 29 29 79.3% 0
December 2025 31 31 80.7% 0
January 2026 44 41 92.7% 3
February 2026 33 31 87.1% 2
March 2026 10 10 70.0% 0
April 2026 25 24 95.8% 1
May 2026 31 31 96.8% 0
June 2026 42 42 16.7% 0
July 2026 45 44 20.5% 1

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