WN3844

WN3844 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Milwaukee to Las Vegas. Of 495 departures recorded from November 2024 to July 2026, 86.2% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January422▼ 95.2%
February27––
March2827▼ 3.6%
April2936▲ 24.1%
May3139▲ 25.8%
June3018▼ 40.0%
July3016▼ 46.7%
August39––
September39––
October23–in progress
November3––
December9––

according to the US BTS · November 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January88.1%100.0%▲ 13.5%
February59.3%––
March63.0%100.0%▲ 58.8%
April85.7%94.4%▲ 10.2%
May100.0%92.3%▼ 7.7%
June100.0%50.0%▼ 50.0%
July90.0%87.5%▼ 2.8%
August84.6%––
September92.1%––
October100.0%–in progress
November66.7%––
December66.7%––

according to the US BTS · November 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February0––
March10▼ 100.0%
April10▼ 100.0%
May00–
June00–
July00–
August0––
September1––
October0–in progress
November0––
December0––

according to the US BTS · November 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% 492
  • Cancelled 0.6% 3

Share of all recorded flights in the period, all legs. · Nov 3, 2024 → Jul 29, 2026

On time, leg by leg

  1. MKE–LAS60 95.0%
  2. HNL–KOA58 98.3%
  3. PHX–OMA57 91.2%
  4. BUR–DEN50 95.9%
  5. STL–LAS33 100.0%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
November 2024 15 15 86.7% 0
December 2024 12 12 66.7% 0
January 2025 42 42 88.1% 0
February 2025 27 27 59.3% 0
March 2025 28 27 63.0% 1
April 2025 29 28 85.7% 1
May 2025 31 31 100.0% 0
June 2025 30 30 100.0% 0
July 2025 30 30 90.0% 0
August 2025 39 39 84.6% 0
September 2025 39 38 92.1% 1
October 2025 23 23 100.0% 0
November 2025 3 3 66.7% 0
December 2025 9 9 66.7% 0
January 2026 2 2 100.0% 0
March 2026 27 27 100.0% 0
April 2026 36 36 94.4% 0
May 2026 39 39 92.3% 0
June 2026 18 18 50.0% 0
July 2026 16 16 87.5% 0

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