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WanderNerd

Flight Reliability

WN 1348 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1348 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

73%
Arrive within 15 minutes
14 min
Average arrival delay
1.4%
Cancelled
2 min early
Median arrival delay

Based on 418 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon60%(57 flights)
  • Tue91%(57 flights)
  • Wed76%(58 flights)
  • Thu69%(54 flights)
  • Fri67%(55 flights)
  • Sat82%(76 flights)
  • Sun62%(55 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM94%(18 flights)
  • 9 AM–12 PM86%(21 flights)
  • 12–3 PM88%(75 flights)
  • 3–6 PM63%(116 flights)
  • 6–9 PM72%(146 flights)
  • 9 PM–12 AM57%(35 flights)
On-time trend by month
84%
May

Jun 72% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%32
July 202576%29
August 202552%31
September 202582%28
October 202567%24
November 202567%49
December 202562%63
January 202687%37
February 202674%27
March 202674%31
April 202690%30
May 202684%31
Departures on time
68%
Diverted
0%
Flights flown
412
Months covered
12

Based on 418 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.