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Flight Reliability

WN 3142 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3142 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
0%
Cancelled
2 min early
Median arrival delay

Based on 401 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(59 flights)
  • Tue83%(59 flights)
  • Wed75%(60 flights)
  • Thu72%(58 flights)
  • Fri72%(61 flights)
  • Sat80%(39 flights)
  • Sun78%(64 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM96%(72 flights)
  • 9 AM–12 PM86%(35 flights)
  • 12–3 PM83%(96 flights)
  • 3–6 PM68%(102 flights)
  • 6–9 PM50%(74 flights)
  • 9 PM–12 AM65%(17 flights)
On-time trend by month
100%
May

Jun 39% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202539%23
July 202548%27
October 202576%29
November 202586%55
December 202581%41
January 202682%72
February 202676%54
March 202657%35
April 202677%30
May 2026100%31
Departures on time
71%
Diverted
0.2%
Flights flown
400
Months covered
11

Keep nerding

Based on 401 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.