Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 3563 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3563 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
16 min
Average arrival delay
3.1%
Cancelled
1 min early
Median arrival delay

Based on 227 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(32 flights)
  • Tue77%(26 flights)
  • Wed64%(25 flights)
  • Thu79%(29 flights)
  • Fri74%(34 flights)
  • Sat71%(34 flights)
  • Sun63%(38 flights)
On-time by departure window
  • 6–9 AM100%(33 flights)
  • 9 AM–12 PM89%(75 flights)
  • 12–3 PM59%(29 flights)
  • 3–6 PM40%(25 flights)
  • 6–9 PM52%(56 flights)
On-time trend by month
44%
May

Jun 41% → May 44% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%27
July 202552%25
August 202570%23
September 202595%21
November 2025100%25
December 202596%27
February 2026100%10
March 202660%20
April 202658%19
May 202644%16
Departures on time
68%
Diverted
0.9%
Flights flown
218
Months covered
12

Keep nerding

Based on 227 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.