WN845

WN845 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Des Moines to Denver. Of 796 departures recorded from October 2024 to July 2026, 73.6% 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
January3130▼ 3.2%
February1828▲ 55.6%
March4131▼ 24.4%
April4130▼ 26.8%
May3931▼ 20.5%
June4052▲ 30.0%
July4055▲ 37.5%
August55––
September56––
October31–in progress
November28––
December29––
Year to date (Jan–Jul)250257▲ 2.8%

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
January87.1%82.1%▼ 5.7%
February94.4%71.4%▼ 24.4%
March92.5%38.7%▼ 58.2%
April80.5%56.7%▼ 29.6%
May81.6%22.6%▼ 72.3%
June80.0%88.5%▲ 10.6%
July67.5%89.1%▲ 32.0%
August54.6%––
September67.9%––
October67.7%–in progress
November67.9%––
December82.8%––
Year-to-date average (Jan–Jul)83.4%64.2%▼ 23.1%

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–
February00–
March10▼ 100.0%
April00–
May10▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)220.0%

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% 792
  • 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. DSM–DEN96 84.2%
  2. DEN–SFO58 32.8%
  3. BUR–SMF57 98.3%
  4. LAS–DAL50 94.0%
  5. LAS–RNO49 63.3%
  6. RDU–TPA46 73.9%
  7. SMF–LAS43 74.4%
  8. DEN–PHL33 42.4%

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 90.0% 0
November 2024 33 33 81.8% 0
December 2024 37 37 75.7% 0
January 2025 31 31 87.1% 0
February 2025 18 18 94.4% 0
March 2025 41 40 92.5% 1
April 2025 41 41 80.5% 0
May 2025 39 38 81.6% 1
June 2025 40 40 80.0% 0
July 2025 40 40 67.5% 0
August 2025 55 55 54.6% 0
September 2025 56 56 67.9% 0
October 2025 31 31 67.7% 0
November 2025 28 28 67.9% 0
December 2025 29 29 82.8% 0
January 2026 30 28 82.1% 2
February 2026 28 28 71.4% 0
March 2026 31 31 38.7% 0
April 2026 30 30 56.7% 0
May 2026 31 31 22.6% 0
June 2026 52 52 88.5% 0
July 2026 55 55 89.1% 0

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