WN2100

WN2100 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Denver to Columbus. Of 661 departures recorded from October 2024 to July 2026, 74.1% 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
January3242▲ 31.3%
February3047▲ 56.7%
March533▲ 560.0%
April2334▲ 47.8%
May3135▲ 12.9%
June3026▼ 13.3%
July3126▼ 16.1%
August31––
September30––
October47–in progress
November32––
December40––
Year to date (Jan–Jul)182243▲ 33.5%

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
January75.0%81.0%▲ 7.9%
February96.7%55.3%▼ 42.8%
March100.0%96.9%▼ 3.1%
April91.3%50.0%▼ 45.2%
May87.1%51.4%▼ 41.0%
June46.7%65.4%▲ 40.1%
July36.7%92.0%▲ 150.9%
August83.9%––
September96.7%––
October95.7%–in progress
November71.9%––
December53.9%––
Year-to-date average (Jan–Jul)76.2%70.3%▼ 7.8%

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–
March01–
April00–
May00–
June00–
July110.0%
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)12▲ 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 99.4% 657
  • Cancelled 0.6% 4

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

On time, leg by leg

  1. DEN–CMH61 38.3%
  2. CLE–PHX60 88.3%
  3. PHX–SMF58 93.1%
  4. SMF–BUR42 95.2%
  5. PHX–SLC42 47.6%
  6. LAX–OAK39 76.9%
  7. COS–LAS31 96.8%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 94.7% 0
November 2024 21 21 81.0% 0
December 2024 16 16 68.8% 0
January 2025 32 32 75.0% 0
February 2025 30 30 96.7% 0
March 2025 5 5 100.0% 0
April 2025 23 23 91.3% 0
May 2025 31 31 87.1% 0
June 2025 30 30 46.7% 0
July 2025 31 30 36.7% 1
August 2025 31 31 83.9% 0
September 2025 30 30 96.7% 0
October 2025 47 47 95.7% 0
November 2025 32 32 71.9% 0
December 2025 40 39 53.9% 1
January 2026 42 42 81.0% 0
February 2026 47 47 55.3% 0
March 2026 33 32 96.9% 1
April 2026 34 34 50.0% 0
May 2026 35 35 51.4% 0
June 2026 26 26 65.4% 0
July 2026 26 25 92.0% 1

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