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WanderNerd

Flight Reliability

WN 4828 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4828 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

72%
Arrive within 15 minutes
14 min
Average arrival delay
0%
Cancelled
3 min early
Median arrival delay

Based on 130 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(17 flights)
  • Tue94%(17 flights)
  • Wed71%(17 flights)
  • Thu59%(17 flights)
  • Fri63%(16 flights)
  • Sat74%(19 flights)
  • Sun59%(27 flights)
On-time by departure window
  • 6–9 AM(5 flights)
  • 9 AM–12 PM93%(27 flights)
  • 12–3 PM89%(28 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM(9 flights)
  • 9 PM–12 AM57%(60 flights)
On-time trend by month
92%
Feb

Jun 53% → Feb 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202553%34
January 202690%30
February 202692%26
Departures on time
68%
Diverted
0%
Flights flown
130
Months covered
7

Based on 130 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.