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WanderNerd

Flight Reliability

WN 4776 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4776 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

79%
Arrive within 15 minutes
4 min early
Average arrival delay
5.2%
Cancelled
15 min early
Median arrival delay

Based on 116 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(14 flights)
  • Tue65%(17 flights)
  • Wed65%(17 flights)
  • Thu100%(16 flights)
  • Fri65%(17 flights)
  • Sat88%(17 flights)
  • Sun83%(12 flights)
On-time by departure window
  • 3–6 AM100%(54 flights)
  • 6–9 AM(1 flights)
  • 12–3 PM(6 flights)
  • 6–9 PM44%(25 flights)
  • 9 PM–12 AM71%(24 flights)
On-time trend by month
100%
Feb

Jun 55% → Feb 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%22
July 202560%25
January 2026100%24
February 2026100%26
Departures on time
72%
Diverted
0%
Flights flown
110
Months covered
8

Based on 116 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.