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Flight Reliability

WN 376 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 376 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

77%
Arrive within 15 minutes
8 min
Average arrival delay
0.9%
Cancelled
3 min early
Median arrival delay

Based on 328 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(43 flights)
  • Tue71%(49 flights)
  • Wed72%(47 flights)
  • Thu77%(43 flights)
  • Fri87%(45 flights)
  • Sat91%(42 flights)
  • Sun64%(53 flights)
On-time by departure window
  • 3–6 AM—(6 flights)
  • 6–9 AM91%(87 flights)
  • 9 AM–12 PM82%(38 flights)
  • 12–3 PM71%(111 flights)
  • 3–6 PM66%(71 flights)
  • 6–9 PM—(8 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
61%
May

Jun 85% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%26
July 202578%18
August 202580%30
September 202587%30
October 202585%41
November 202582%28
December 202579%28
January 202678%27
February 202685%27
March 202652%29
April 202660%20
May 202661%18
Departures on time
74%
Diverted
0.9%
Flights flown
322
Months covered
12

Keep nerding

Based on 328 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.