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WanderNerd

Flight Reliability

WN 2108 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2108 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

78%
Arrive within 15 minutes
7 min
Average arrival delay
1.6%
Cancelled
3 min early
Median arrival delay

Based on 308 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(53 flights)
  • Tue81%(36 flights)
  • Wed97%(34 flights)
  • Thu64%(53 flights)
  • Fri71%(51 flights)
  • Sat81%(37 flights)
  • Sun87%(38 flights)
On-time by departure window
  • 3–6 AM100%(16 flights)
  • 6–9 AM91%(122 flights)
  • 9 AM–12 PM80%(30 flights)
  • 12–3 PM77%(47 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM57%(70 flights)
  • 9 PM–12 AM54%(13 flights)
On-time trend by month
87%
May

Jun 78% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%27
July 202574%27
August 202560%15
September 202550%12
October 202578%46
November 202574%31
December 202579%29
January 202688%17
February 202695%19
March 202670%20
April 202686%28
May 202687%31
Departures on time
77%
Diverted
0.3%
Flights flown
302
Months covered
12

Based on 308 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.