WN1426

WN1426 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Las Vegas to Sacramento. Of 578 departures recorded from October 2024 to July 2026, 75.3% 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
January144▼ 71.4%
February2017▼ 15.0%
March3721▼ 43.2%
April3221▼ 34.4%
May3123▼ 25.8%
June3063▲ 110.0%
July3063▲ 110.0%
August32––
September30––
October31–in progress
November14––
December13––
Year to date (Jan–Jul)194212▲ 9.3%

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
January78.6%50.0%▼ 36.4%
February75.0%87.5%▲ 16.7%
March91.9%90.5%▼ 1.5%
April93.8%76.2%▼ 18.7%
May87.1%69.6%▼ 20.1%
June56.7%67.7%▲ 19.5%
July63.3%61.9%▼ 2.3%
August87.5%––
September83.3%––
October58.1%–in progress
November75.0%––
December61.5%––
Year-to-date average (Jan–Jul)78.0%71.9%▼ 7.9%

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
November2––
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 99.3% 574
  • Cancelled 0.7% 4

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

On time, leg by leg

  1. LAS–SMF65 84.6%
  2. BNA–PVD60 58.3%
  3. HOU–AUS58 89.7%
  4. DCA–BNA49 73.5%
  5. MSP–MDW34 91.2%
  6. CMH–SAN32 62.5%
  7. BNA–TPA31 54.8%

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 13 13 76.9% 0
November 2024 15 15 100.0% 0
December 2024 24 24 75.0% 0
January 2025 14 14 78.6% 0
February 2025 20 20 75.0% 0
March 2025 37 37 91.9% 0
April 2025 32 32 93.8% 0
May 2025 31 31 87.1% 0
June 2025 30 30 56.7% 0
July 2025 30 30 63.3% 0
August 2025 32 32 87.5% 0
September 2025 30 30 83.3% 0
October 2025 31 31 58.1% 0
November 2025 14 12 75.0% 2
December 2025 13 13 61.5% 0
January 2026 4 4 50.0% 0
February 2026 17 16 87.5% 1
March 2026 21 21 90.5% 0
April 2026 21 21 76.2% 0
May 2026 23 23 69.6% 0
June 2026 63 62 67.7% 1
July 2026 63 63 61.9% 0

How to read this chart

Loading the guide…