WN2621

WN2621 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Denver to Memphis. Of 612 departures recorded from October 2024 to July 2026, 70.3% 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
January1434▲ 142.9%
February1931▲ 63.2%
March4124▼ 41.5%
April3323▼ 30.3%
May3123▼ 25.8%
June4218▼ 57.1%
July4317▼ 60.5%
August33––
September30––
October1–in progress
November33––
December42––
Year to date (Jan–Jul)223170▼ 23.8%

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
January57.1%58.8%▲ 2.9%
February94.7%45.2%▼ 52.3%
March85.4%50.0%▼ 41.4%
April81.8%69.6%▼ 15.0%
May96.8%78.3%▼ 19.1%
June46.3%83.3%▲ 79.8%
July34.9%88.2%▲ 153.0%
August84.9%––
September90.0%––
October100.0%–in progress
November68.8%––
December61.0%––
Year-to-date average (Jan–Jul)71.0%67.6%▼ 4.8%

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–
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November1––
December1––
Year to date (Jan–Jul)10▼ 100.0%

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% 609
  • Cancelled 0.5% 3

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

On time, leg by leg

  1. DEN–MEM61 28.3%
  2. OAK–PHX58 91.4%
  3. MCO–SAT58 51.7%
  4. DEN–SAN57 93.0%
  5. MDW–CHS47 87.2%
  6. BUR–PHX46 77.8%
  7. LAS–LAX42 76.2%
  8. RNO–LAS33 81.8%

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 20 20 75.0% 0
November 2024 34 34 88.2% 0
December 2024 26 26 69.2% 0
January 2025 14 14 57.1% 0
February 2025 19 19 94.7% 0
March 2025 41 41 85.4% 0
April 2025 33 33 81.8% 0
May 2025 31 31 96.8% 0
June 2025 42 41 46.3% 1
July 2025 43 43 34.9% 0
August 2025 33 33 84.9% 0
September 2025 30 30 90.0% 0
October 2025 1 1 100.0% 0
November 2025 33 32 68.8% 1
December 2025 42 41 61.0% 1
January 2026 34 34 58.8% 0
February 2026 31 31 45.2% 0
March 2026 24 24 50.0% 0
April 2026 23 23 69.6% 0
May 2026 23 23 78.3% 0
June 2026 18 18 83.3% 0
July 2026 17 17 88.2% 0

How to read this chart

Loading the guide…