WN4813

WN4813 (Southwest Airlines) is a multi-stop service on 14 routes, busiest San Jose to Burbank. Of 192 departures recorded from October 2024 to July 2026, 85.8% 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 periods11 periods
PeriodDepartures 2025Departures 2026Change vs last year
January252▼ 92.0%
February263▼ 88.5%
March91▼ 88.9%
April1––
May–––
June–27–
July–30–
August–––
September–––
October––in progress
November3––
December9––

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 periods11 periods
PeriodOn time 2025On time 2026Change vs last year
January95.8%100.0%▲ 4.4%
February80.8%100.0%▲ 23.8%
March100.0%0.0%▼ 100.0%
April100.0%––
May–––
June–96.3%–
July–82.8%–
August–––
September–––
October––in progress
November66.7%––
December44.4%––

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 periods11 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February00–
March00–
April0––
May–––
June–0–
July–1–
August–––
September–––
October––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 99.0% 190
  • Cancelled 1.0% 2

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. SJC–BUR82 88.9%
  2. STS–SAN57 89.3%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 9 9 88.9% 0
November 2024 25 25 84.0% 0
December 2024 22 22 86.4% 0
January 2025 25 24 95.8% 1
February 2025 26 26 80.8% 0
March 2025 9 9 100.0% 0
April 2025 1 1 100.0% 0
November 2025 3 3 66.7% 0
December 2025 9 9 44.4% 0
January 2026 2 2 100.0% 0
February 2026 3 3 100.0% 0
March 2026 1 1 0.0% 0
June 2026 27 27 96.3% 0
July 2026 30 29 82.8% 1

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