WN1104

WN1104 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Las Vegas to San Jose. Of 677 departures recorded from October 2024 to July 2026, 77.7% 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
January299▼ 69.0%
February288▼ 71.4%
March2744▲ 63.0%
April2962▲ 113.8%
May3166▲ 112.9%
June3034▲ 13.3%
July3031▲ 3.3%
August34––
September35––
October27–in progress
November30––
December31––
Year to date (Jan–Jul)204254▲ 24.5%

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
January93.1%44.4%▼ 52.3%
February96.3%87.5%▼ 9.1%
March81.5%72.7%▼ 10.7%
April89.3%91.9%▲ 3.0%
May87.1%76.9%▼ 11.7%
June93.3%29.4%▼ 68.5%
July86.7%38.7%▼ 55.3%
August76.5%––
September82.9%––
October44.4%–in progress
November90.0%––
December74.2%––
Year-to-date average (Jan–Jul)89.6%63.1%▼ 29.6%

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–
February10▼ 100.0%
March00–
April10▼ 100.0%
May01–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)21▼ 50.0%

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 99.6% 674
  • Cancelled 0.4% 3

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

On time, leg by leg

  1. LAS–SJC74 97.3%
  2. HNL–ITO64 79.7%
  3. BNA–JAX60 90.0%
  4. TUS–DEN58 89.5%
  5. RNO–LAS58 93.0%
  6. BWI–SJU57 28.1%
  7. BNA–DEN55 61.8%
  8. MCO–MIA42 78.6%

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 21 21 81.0% 0
November 2024 15 15 86.7% 0
December 2024 26 26 92.3% 0
January 2025 29 29 93.1% 0
February 2025 28 27 96.3% 1
March 2025 27 27 81.5% 0
April 2025 29 28 89.3% 1
May 2025 31 31 87.1% 0
June 2025 30 30 93.3% 0
July 2025 30 30 86.7% 0
August 2025 34 34 76.5% 0
September 2025 35 35 82.9% 0
October 2025 27 27 44.4% 0
November 2025 30 30 90.0% 0
December 2025 31 31 74.2% 0
January 2026 9 9 44.4% 0
February 2026 8 8 87.5% 0
March 2026 44 44 72.7% 0
April 2026 62 62 91.9% 0
May 2026 66 65 76.9% 1
June 2026 34 34 29.4% 0
July 2026 31 31 38.7% 0

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