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WanderNerd

Flight Reliability

WN 4845 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4845 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

92%
Arrive within 15 minutes
4 min early
Average arrival delay
1.8%
Cancelled
8 min early
Median arrival delay

Based on 110 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(14 flights)
  • Tue91%(11 flights)
  • Wed(9 flights)
  • Thu94%(16 flights)
  • Fri96%(22 flights)
  • Sat94%(17 flights)
  • Sun78%(18 flights)
On-time by departure window
  • 3–6 AM96%(54 flights)
  • 6–9 AM100%(11 flights)
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM92%(12 flights)
  • 3–6 PM75%(20 flights)
On-time trend by month
94%
May

Feb 97% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
February 202697%35
April 2026100%24
May 202694%31
Departures on time
91%
Diverted
0.9%
Flights flown
107
Months covered
7

Based on 110 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.