WN4933

WN4933 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Houston to San Diego. Of 233 departures recorded from October 2024 to July 2026, 86.8% 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 periods12 periods
PeriodDepartures 2025Departures 2026Change vs last year
January1243▲ 258.3%
February1131▲ 181.8%
March25▲ 150.0%
April–3–
May–1–
June–30–
July–36–
August–––
September–––
October––in progress
November1––
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 periods12 periods
PeriodOn time 2025On time 2026Change vs last year
January75.0%97.4%▲ 29.9%
February72.7%70.0%▼ 3.8%
March100.0%80.0%▼ 20.0%
April–66.7%–
May–100.0%–
June–100.0%–
July–94.4%–
August–––
September–––
October––in progress
November100.0%––
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 periods12 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January04–
February01–
March00–
April–0–
May–0–
June–0–
July–0–
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 97.9% 228
  • Cancelled 2.1% 5

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026

On time, leg by leg

  1. HOU–SAN67 83.6%
  2. SJC–LGB50 96.0%
  3. DAL–ELP50 76.6%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 7 7 71.4% 0
November 2024 26 26 88.5% 0
December 2024 23 23 78.3% 0
January 2025 12 12 75.0% 0
February 2025 11 11 72.7% 0
March 2025 2 2 100.0% 0
November 2025 1 1 100.0% 0
December 2025 2 2 100.0% 0
January 2026 43 39 97.4% 4
February 2026 31 30 70.0% 1
March 2026 5 5 80.0% 0
April 2026 3 3 66.7% 0
May 2026 1 1 100.0% 0
June 2026 30 30 100.0% 0
July 2026 36 36 94.4% 0

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