Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 198 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 198 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 371 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(60 flights)
  • Tue90%(49 flights)
  • Wed81%(47 flights)
  • Thu73%(55 flights)
  • Fri79%(62 flights)
  • Sat74%(31 flights)
  • Sun71%(63 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM89%(107 flights)
  • 9 AM–12 PM90%(30 flights)
  • 12–3 PM93%(69 flights)
  • 3–6 PM72%(43 flights)
  • 6–9 PM70%(43 flights)
  • 9 PM–12 AM60%(74 flights)
On-time trend by month
59%
May

Jun 47% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%30
July 202567%30
August 202589%27
September 202592%26
October 202584%31
November 202589%56
December 202592%48
January 202691%33
February 202671%31
March 202672%32
May 202659%17
Departures on time
77%
Diverted
0.3%
Flights flown
367
Months covered
12

Keep nerding

Based on 371 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.