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WanderNerd

Flight Reliability

WN 1908 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1908 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
10 min
Average arrival delay
0.6%
Cancelled
3 min early
Median arrival delay

Based on 344 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(47 flights)
  • Tue86%(49 flights)
  • Wed84%(51 flights)
  • Thu48%(46 flights)
  • Fri67%(45 flights)
  • Sat86%(55 flights)
  • Sun60%(48 flights)
On-time by departure window
  • 6–9 AM95%(21 flights)
  • 9 AM–12 PM86%(65 flights)
  • 12–3 PM81%(86 flights)
  • 3–6 PM63%(64 flights)
  • 6–9 PM49%(74 flights)
  • 9 PM–12 AM90%(31 flights)
On-time trend by month
70%
May

Jun 41% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%34
July 202537%30
August 202577%30
September 202567%30
October 202582%34
November 202593%29
December 202585%33
January 202685%48
February 202684%37
March 202688%17
May 202670%10
Departures on time
71%
Diverted
0.3%
Flights flown
341
Months covered
12

Based on 344 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.