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WanderNerd

Flight Reliability

WN 4182 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4182 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

71%
Arrive within 15 minutes
8 min
Average arrival delay
0.6%
Cancelled
2 min early
Median arrival delay

Based on 161 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(29 flights)
  • Tue77%(17 flights)
  • Wed93%(14 flights)
  • Thu54%(26 flights)
  • Fri69%(29 flights)
  • Sat85%(13 flights)
  • Sun72%(32 flights)
On-time by departure window
  • 6–9 AM(7 flights)
  • 12–3 PM43%(28 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM(5 flights)
  • 9 PM–12 AM77%(119 flights)
On-time trend by month
44%
Mar

Jun 69% → Mar 44% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%16
July 202542%12
August 202593%29
September 202597%29
November 202577%17
December 202547%15
March 202644%23
Departures on time
64%
Diverted
0%
Flights flown
160
Months covered
11

Based on 161 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.