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Flight Reliability

WN 8 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 8 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

87%
Arrive within 15 minutes
0 min
Average arrival delay
2.0%
Cancelled
10 min early
Median arrival delay

Based on 453 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(91 flights)
  • Tue92%(24 flights)
  • Wed83%(18 flights)
  • Thu83%(88 flights)
  • Fri87%(93 flights)
  • Sat83%(58 flights)
  • Sun94%(71 flights)
On-time by departure window
  • 6–9 AM90%(339 flights)
  • 9 AM–12 PM76%(97 flights)
  • 12–3 PM—(7 flights)
On-time trend by month
68%
May

Jun 86% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%43
July 202591%44
August 202575%16
September 202592%12
October 202597%39
November 202595%39
December 202593%29
January 2026100%16
February 202694%16
March 202686%50
April 202688%65
May 202668%74
Departures on time
85%
Diverted
0.2%
Flights flown
443
Months covered
12

Keep nerding

Based on 453 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.