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Flight Reliability

WN 370 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 370 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
4 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 396 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(57 flights)
  • Tue80%(51 flights)
  • Wed89%(52 flights)
  • Thu78%(60 flights)
  • Fri80%(60 flights)
  • Sat86%(55 flights)
  • Sun68%(59 flights)
On-time by departure window
  • 6–9 AM93%(98 flights)
  • 9 AM–12 PM87%(39 flights)
  • 12–3 PM70%(37 flights)
  • 3–6 PM88%(81 flights)
  • 6–9 PM65%(114 flights)
  • 9 PM–12 AM72%(25 flights)
On-time trend by month
67%
May

Jun 83% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202593%30
August 202577%31
September 202573%30
October 202579%34
November 202586%29
December 202586%29
January 202690%31
February 202692%38
March 202660%48
April 202677%34
May 202667%30
Departures on time
76%
Diverted
0.5%
Flights flown
394
Months covered
12

Keep nerding

Based on 396 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.