WN608

WN608 (Southwest Airlines) is a multi-stop service on 35 routes, busiest San Diego to San Francisco. Of 777 departures recorded from October 2024 to July 2026, 74.5% 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
January5231▼ 40.4%
February3735▼ 5.4%
March3336▲ 9.1%
April2731▲ 14.8%
May2731▲ 14.8%
June2930▲ 3.4%
July31310.0%
August23––
September21––
October72–in progress
November32––
December31––
Year to date (Jan–Jul)236225▼ 4.7%

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
January76.5%74.2%▼ 3.0%
February86.5%67.7%▼ 21.8%
March87.9%75.0%▼ 14.7%
April81.5%74.2%▼ 8.9%
May53.9%48.4%▼ 10.1%
June79.3%40.0%▼ 49.6%
July96.8%50.0%▼ 48.3%
August91.3%––
September100.0%––
October59.2%–in progress
November59.4%––
December71.0%––
Year-to-date average (Jan–Jul)80.3%61.3%▼ 23.6%

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
January10▼ 100.0%
February01–
March00–
April00–
May10▼ 100.0%
June00–
July01–
August0––
September0––
October1–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% 772
  • Cancelled 0.6% 5

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

On time, leg by leg

  1. SAN–SFO61 88.5%
  2. BNA–DEN58 56.9%
  3. BNA–OKC57 46.4%
  4. PVD–TPA50 63.3%
  5. DEN–MCI47 67.4%
  6. DEN–AUS47 93.6%
  7. AUS–LAS45 53.3%
  8. DEN–ELP39 100.0%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 64 64 84.4% 0
December 2024 53 53 94.3% 0
January 2025 52 51 76.5% 1
February 2025 37 37 86.5% 0
March 2025 33 33 87.9% 0
April 2025 27 27 81.5% 0
May 2025 27 26 53.9% 1
June 2025 29 29 79.3% 0
July 2025 31 31 96.8% 0
August 2025 23 23 91.3% 0
September 2025 21 21 100.0% 0
October 2025 72 71 59.2% 1
November 2025 32 32 59.4% 0
December 2025 31 31 71.0% 0
January 2026 31 31 74.2% 0
February 2026 35 34 67.7% 1
March 2026 36 36 75.0% 0
April 2026 31 31 74.2% 0
May 2026 31 31 48.4% 0
June 2026 30 30 40.0% 0
July 2026 31 30 50.0% 1

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