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WanderNerd

Flight Reliability

WN 4758 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4758 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

77%
Arrive within 15 minutes
6 min
Average arrival delay
0%
Cancelled
1 min early
Median arrival delay

Based on 200 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(35 flights)
  • Tue72%(18 flights)
  • Wed61%(18 flights)
  • Thu71%(31 flights)
  • Fri83%(35 flights)
  • Sat92%(37 flights)
  • Sun72%(25 flights)
On-time by departure window
  • 3–6 AM96%(25 flights)
  • 6–9 AM100%(27 flights)
  • 9 AM–12 PM(3 flights)
  • 12–3 PM79%(80 flights)
  • 3–6 PM55%(29 flights)
  • 6–9 PM56%(18 flights)
  • 9 PM–12 AM59%(17 flights)
On-time trend by month
44%
Mar

Jun 70% → Mar 44% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%27
July 202577%30
August 202591%23
September 2025100%23
November 202567%12
December 202568%25
January 202692%12
February 202690%19
March 202644%23
Departures on time
77%
Diverted
0.5%
Flights flown
199
Months covered
10

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.