WN3303

WN3303 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Las Vegas to San Diego. Of 665 departures recorded from October 2024 to July 2026, 78.5% 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
January1034▲ 240.0%
February1228▲ 133.3%
March2438▲ 58.3%
April3834▼ 10.5%
May4535▼ 22.2%
June526▲ 420.0%
July228▲ 1,300.0%
August44––
September47––
October35–in progress
November42––
December54––
Year to date (Jan–Jul)136223▲ 64.0%

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
January90.0%93.6%▲ 3.9%
February83.3%88.0%▲ 5.6%
March95.5%73.0%▼ 23.6%
April91.9%50.0%▼ 45.6%
May71.1%68.6%▼ 3.6%
June100.0%84.0%▼ 16.0%
July100.0%85.2%▼ 14.8%
August72.7%––
September40.4%––
October65.7%–in progress
November95.1%––
December94.3%––
Year-to-date average (Jan–Jul)90.3%77.5%▼ 14.2%

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
January03–
February03–
March21▼ 50.0%
April10▼ 100.0%
May00–
June01–
July01–
August0––
September0––
October0–in progress
November1––
December1––
Year to date (Jan–Jul)39▲ 200.0%

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 97.9% 651
  • Cancelled 2.1% 14

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

On time, leg by leg

  1. LAS–SAN58 60.3%
  2. BWI–GRR58 79.3%
  3. ONT–DEN57 59.7%
  4. RDU–BWI55 93.9%
  5. PHX–OAK51 85.7%
  6. GEG–DEN50 86.0%
  7. SAN–LAS38 100.0%
  8. SAT–TPA33 59.4%

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 17 17 100.0% 0
November 2024 23 23 78.3% 0
December 2024 44 44 84.1% 0
January 2025 10 10 90.0% 0
February 2025 12 12 83.3% 0
March 2025 24 22 95.5% 2
April 2025 38 37 91.9% 1
May 2025 45 45 71.1% 0
June 2025 5 5 100.0% 0
July 2025 2 2 100.0% 0
August 2025 44 44 72.7% 0
September 2025 47 47 40.4% 0
October 2025 35 35 65.7% 0
November 2025 42 41 95.1% 1
December 2025 54 53 94.3% 1
January 2026 34 31 93.6% 3
February 2026 28 25 88.0% 3
March 2026 38 37 73.0% 1
April 2026 34 34 50.0% 0
May 2026 35 35 68.6% 0
June 2026 26 25 84.0% 1
July 2026 28 27 85.2% 1

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