WN3510

WN3510 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Kahului to Las Vegas. Of 668 departures recorded from October 2024 to July 2026, 79.8% 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
January31310.0%
February2831▲ 10.7%
March3124▼ 22.6%
April5125▼ 51.0%
May6526▼ 60.0%
June3515▼ 57.1%
July3414▼ 58.8%
August35––
September35––
October6–in progress
November30––
December47––
Year to date (Jan–Jul)275166▼ 39.6%

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
January90.3%87.1%▼ 3.6%
February100.0%74.2%▼ 25.8%
March93.6%50.0%▼ 46.6%
April76.5%92.0%▲ 20.3%
May58.7%88.5%▲ 50.6%
June60.0%78.6%▲ 30.9%
July64.7%76.9%▲ 18.9%
August91.4%––
September88.6%––
October100.0%–in progress
November70.0%––
December80.9%––
Year-to-date average (Jan–Jul)77.7%78.2%▲ 0.6%

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–
February00–
March00–
April00–
May20▼ 100.0%
June01–
July01–
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 99.4% 664
  • Cancelled 0.6% 4

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

On time, leg by leg

  1. OGG–LAS121 96.7%
  2. MCI–DCA59 79.7%
  3. SAT–HOU51 66.0%
  4. PHX–BNA50 94.0%
  5. MAF–HOU42 90.5%
  6. CLT–BNA41 63.4%
  7. DAL–SAT40 66.7%
  8. SJC–AUS36 86.1%

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 15 15 80.0% 0
November 2024 29 29 96.6% 0
December 2024 30 30 96.7% 0
January 2025 31 31 90.3% 0
February 2025 28 28 100.0% 0
March 2025 31 31 93.6% 0
April 2025 51 51 76.5% 0
May 2025 65 63 58.7% 2
June 2025 35 35 60.0% 0
July 2025 34 34 64.7% 0
August 2025 35 35 91.4% 0
September 2025 35 35 88.6% 0
October 2025 6 6 100.0% 0
November 2025 30 30 70.0% 0
December 2025 47 47 80.9% 0
January 2026 31 31 87.1% 0
February 2026 31 31 74.2% 0
March 2026 24 24 50.0% 0
April 2026 25 25 92.0% 0
May 2026 26 26 88.5% 0
June 2026 15 14 78.6% 1
July 2026 14 13 76.9% 1

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