Skip to content
WanderNerd

Flight Reliability

WN 3018 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3018 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 231 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(31 flights)
  • Tue79%(33 flights)
  • Wed75%(28 flights)
  • Thu89%(26 flights)
  • Fri82%(33 flights)
  • Sat97%(38 flights)
  • Sun61%(41 flights)
On-time by departure window
  • 6–9 AM98%(58 flights)
  • 9 AM–12 PM88%(33 flights)
  • 12–3 PM81%(32 flights)
  • 3–6 PM(9 flights)
  • 6–9 PM69%(85 flights)
  • 9 PM–12 AM69%(13 flights)
On-time trend by month
82%
May

Jun 83% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202558%31
August 202594%16
September 202592%13
October 202578%23
December 202570%20
January 2026100%10
February 202694%17
April 202678%27
May 202682%34
Departures on time
78%
Diverted
0.4%
Flights flown
230
Months covered
12

Based on 231 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.