Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1506 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1506 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
0.7%
Cancelled
5 min early
Median arrival delay

Based on 404 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(46 flights)
  • Tue81%(64 flights)
  • Wed85%(65 flights)
  • Thu90%(48 flights)
  • Fri88%(48 flights)
  • Sat73%(60 flights)
  • Sun75%(69 flights)
On-time by departure window
  • 6–9 AM94%(167 flights)
  • 9 AM–12 PM85%(97 flights)
  • 12–3 PM80%(56 flights)
  • 3–6 PM68%(28 flights)
  • 6–9 PM50%(52 flights)
On-time trend by month
94%
May

Jun 53% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202558%31
August 202592%39
September 202590%38
October 202591%44
November 202597%29
December 202570%30
January 202684%31
February 202682%28
March 202676%38
April 202694%31
May 202694%31
Departures on time
80%
Diverted
0.2%
Flights flown
400
Months covered
12

Keep nerding

Based on 404 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.