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Flight Reliability

WN 1108 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1108 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 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(55 flights)
  • Tue87%(61 flights)
  • Wed85%(60 flights)
  • Thu70%(54 flights)
  • Fri76%(53 flights)
  • Sat82%(54 flights)
  • Sun68%(41 flights)
On-time by departure window
  • 6–9 AM95%(41 flights)
  • 9 AM–12 PM93%(69 flights)
  • 12–3 PM90%(68 flights)
  • 3–6 PM67%(109 flights)
  • 6–9 PM82%(11 flights)
  • 9 PM–12 AM60%(80 flights)
On-time trend by month
58%
May

Jun 78% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%36
July 202576%38
August 202585%26
September 202596%26
October 202578%27
November 202593%30
December 202581%31
January 202666%32
February 202656%39
March 202694%32
April 202683%30
May 202658%31
Departures on time
78%
Diverted
0.3%
Flights flown
378
Months covered
12

Keep nerding

Based on 385 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.