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WanderNerd

Flight Reliability

WN 3376 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3376 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

70%
Arrive within 15 minutes
18 min
Average arrival delay
1.0%
Cancelled
1 min
Median arrival delay

Based on 305 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(52 flights)
  • Tue79%(28 flights)
  • Wed82%(27 flights)
  • Thu64%(50 flights)
  • Fri63%(54 flights)
  • Sat83%(41 flights)
  • Sun67%(49 flights)
On-time by departure window
  • 6–9 AM86%(43 flights)
  • 9 AM–12 PM(4 flights)
  • 12–3 PM92%(49 flights)
  • 3–6 PM80%(51 flights)
  • 6–9 PM52%(132 flights)
  • 9 PM–12 AM68%(22 flights)
On-time trend by month
76%
May

Jun 43% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%42
July 202542%41
August 202584%51
September 202582%50
December 202554%13
February 202694%17
March 202676%21
April 202689%26
May 202676%25
Departures on time
62%
Diverted
0.3%
Flights flown
301
Months covered
12

Based on 305 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.