WN3685

WN3685 (Southwest Airlines) is a multi-stop service on 30 routes, busiest San Jose to San Diego. Of 443 departures recorded from October 2024 to July 2026, 70.6% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January3––
February–––
March415▲ 275.0%
April2127▲ 28.6%
May2631▲ 19.2%
June7021▼ 70.0%
July7916▼ 79.7%
August23––
September17––
October35–in progress
November5––
December2––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January66.7%––
February–––
March50.0%42.9%▼ 14.3%
April76.2%55.6%▼ 27.1%
May96.2%48.4%▼ 49.7%
June78.3%66.7%▼ 14.8%
July74.4%73.3%▼ 1.4%
August52.2%––
September58.8%––
October73.5%–in progress
November20.0%––
December100.0%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January0––
February–––
March01–
April00–
May00–
June10▼ 100.0%
July110.0%
August0––
September0––
October1–in progress
November0––
December0––

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 98.9% 438
  • Cancelled 1.1% 5

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. SJC–SAN60 81.4%
  2. ORD–MCO58 51.7%
  3. BUR–RNO50 90.0%
  4. MDW–DEN31 58.1%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 16 16 81.3% 0
November 2024 20 20 90.0% 0
December 2024 12 12 83.3% 0
January 2025 3 3 66.7% 0
March 2025 4 4 50.0% 0
April 2025 21 21 76.2% 0
May 2025 26 26 96.2% 0
June 2025 70 69 78.3% 1
July 2025 79 78 74.4% 1
August 2025 23 23 52.2% 0
September 2025 17 17 58.8% 0
October 2025 35 34 73.5% 1
November 2025 5 5 20.0% 0
December 2025 2 2 100.0% 0
March 2026 15 14 42.9% 1
April 2026 27 27 55.6% 0
May 2026 31 31 48.4% 0
June 2026 21 21 66.7% 0
July 2026 16 15 73.3% 1

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