Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 3270 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3270 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

77%
Arrive within 15 minutes
6 min
Average arrival delay
0.3%
Cancelled
3 min early
Median arrival delay

Based on 320 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(39 flights)
  • Tue74%(50 flights)
  • Wed86%(50 flights)
  • Thu75%(44 flights)
  • Fri71%(45 flights)
  • Sat92%(38 flights)
  • Sun72%(53 flights)
On-time by departure window
  • 3–6 AM100%(24 flights)
  • 6–9 AM100%(10 flights)
  • 9 AM–12 PM96%(25 flights)
  • 12–3 PM66%(88 flights)
  • 3–6 PM78%(114 flights)
  • 6–9 PM76%(33 flights)
  • 9 PM–12 AM60%(25 flights)
On-time trend by month
58%
May

Jun 86% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%14
July 202563%19
August 202573%48
September 202583%52
October 202597%31
February 202690%10
March 202693%27
April 202678%54
May 202658%62
Departures on time
68%
Diverted
0%
Flights flown
319
Months covered
10

Keep nerding

Based on 320 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.