WN4067

WN4067 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Oakland to San Diego. Of 208 departures recorded from October 2024 to July 2026, 77.8% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–3–
February10––
March2––
April9––
May15––
June2511▼ 56.0%
July3414▼ 58.8%
August2––
September–––
October18–in progress
November30––
December21––

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 periods13 periods
PeriodOn time 2025On time 2026Change vs last year
January–66.7%–
February60.0%––
March50.0%––
April44.4%––
May46.7%––
June88.0%81.8%▼ 7.0%
July97.1%69.2%▼ 28.7%
August50.0%––
September–––
October72.2%–in progress
November76.7%––
December85.7%––

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 periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February0––
March0––
April0––
May0––
June00–
July01–
August0––
September–––
October0–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 99.5% 207
  • Cancelled 0.5% 1

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

On time, leg by leg

  1. OAK–SAN43 95.4%
  2. PHX–DAL32 71.9%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport 718 -0.4 min 95.4% 43
PHX DAL Phoenix Sky Harbor International Airport – Dallas Love Field 1,412 19.9 min 71.9% 32
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 13 13 92.3% 0
November 2024 1 1 100.0% 0
February 2025 10 10 60.0% 0
March 2025 2 2 50.0% 0
April 2025 9 9 44.4% 0
May 2025 15 15 46.7% 0
June 2025 25 25 88.0% 0
July 2025 34 34 97.1% 0
August 2025 2 2 50.0% 0
October 2025 18 18 72.2% 0
November 2025 30 30 76.7% 0
December 2025 21 21 85.7% 0
January 2026 3 3 66.7% 0
June 2026 11 11 81.8% 0
July 2026 14 13 69.2% 1

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