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Flight Reliability

WN 748 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 748 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

71%
Arrive within 15 minutes
12 min
Average arrival delay
0%
Cancelled
0 min
Median arrival delay

Based on 392 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(51 flights)
  • Tue75%(68 flights)
  • Wed81%(68 flights)
  • Thu58%(52 flights)
  • Fri71%(51 flights)
  • Sat73%(48 flights)
  • Sun71%(52 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM96%(25 flights)
  • 9 AM–12 PM82%(17 flights)
  • 12–3 PM77%(137 flights)
  • 3–6 PM63%(73 flights)
  • 6–9 PM61%(115 flights)
  • 9 PM–12 AM—(9 flights)
On-time trend by month
71%
May

Jun 64% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%42
July 202574%50
August 202553%30
September 202583%30
October 202590%30
November 202565%26
December 202570%27
January 202677%30
February 202686%28
March 202646%35
April 202677%31
May 202671%31
Departures on time
70%
Diverted
0.5%
Flights flown
390
Months covered
12

Keep nerding

Based on 392 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.