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Flight Reliability

WN 4301 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4301 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

87%
Arrive within 15 minutes
2 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 200 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(23 flights)
  • Tue89%(35 flights)
  • Wed83%(35 flights)
  • Thu95%(21 flights)
  • Fri86%(21 flights)
  • Sat92%(26 flights)
  • Sun82%(39 flights)
On-time by departure window
  • 6–9 AM97%(73 flights)
  • 9 AM–12 PM92%(12 flights)
  • 12–3 PM92%(47 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM—(3 flights)
  • 9 PM–12 AM72%(64 flights)
On-time trend by month
100%
May

Jun 94% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%18
July 202594%18
August 202593%29
September 202590%30
October 2025100%18
November 202568%28
December 202574%31
April 202691%11
May 2026100%12
Departures on time
85%
Diverted
0%
Flights flown
200
Months covered
10

Keep nerding

Based on 200 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.