WN3584

WN3584 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Las Vegas to Austin. Of 502 departures recorded from October 2024 to July 2026, 74.0% 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
January331▼ 97.0%
February4610▼ 78.3%
March332▼ 93.9%
April30300.0%
May3140▲ 29.0%
June426▲ 550.0%
July127▲ 2,600.0%
August26––
September30––
October30–in progress
November20––
December16––
Year to date (Jan–Jul)178136▼ 23.6%

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
January81.8%100.0%▲ 22.2%
February73.9%66.7%▼ 9.8%
March84.9%50.0%▼ 41.1%
April76.7%66.7%▼ 13.0%
May77.4%60.0%▼ 22.5%
June50.0%48.0%▼ 4.0%
July100.0%66.7%▼ 33.3%
August69.2%––
September80.0%––
October80.0%–in progress
November85.0%––
December100.0%––
Year-to-date average (Jan–Jul)77.8%65.4%▼ 15.9%

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–
February01–
March00–
April00–
May00–
June01–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)02

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 99.6% 500
  • Cancelled 0.4% 2

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. LAS–AUS118 80.5%
  2. DCA–MKE58 77.6%
  3. OAK–SLC57 52.6%
  4. DEN–SMF57 75.4%
  5. SAT–MDW50 57.1%
  6. BUR–OAK33 75.8%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 9 9 77.8% 0
November 2024 27 27 85.2% 0
December 2024 30 30 66.7% 0
January 2025 33 33 81.8% 0
February 2025 46 46 73.9% 0
March 2025 33 33 84.9% 0
April 2025 30 30 76.7% 0
May 2025 31 31 77.4% 0
June 2025 4 4 50.0% 0
July 2025 1 1 100.0% 0
August 2025 26 26 69.2% 0
September 2025 30 30 80.0% 0
October 2025 30 30 80.0% 0
November 2025 20 20 85.0% 0
December 2025 16 16 100.0% 0
January 2026 1 1 100.0% 0
February 2026 10 9 66.7% 1
March 2026 2 2 50.0% 0
April 2026 30 30 66.7% 0
May 2026 40 40 60.0% 0
June 2026 26 25 48.0% 1
July 2026 27 27 66.7% 0

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