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WanderNerd

Flight Reliability

WN 2381 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2381 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

78%
Arrive within 15 minutes
10 min
Average arrival delay
0.5%
Cancelled
4 min early
Median arrival delay

Based on 386 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(64 flights)
  • Tue85%(52 flights)
  • Wed83%(52 flights)
  • Thu69%(65 flights)
  • Fri78%(63 flights)
  • Sat84%(43 flights)
  • Sun70%(43 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM93%(57 flights)
  • 9 AM–12 PM89%(83 flights)
  • 12–3 PM83%(24 flights)
  • 3–6 PM67%(156 flights)
  • 6–9 PM72%(61 flights)
On-time trend by month
85%
May

Jun 35% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202535%26
July 202530%27
August 202582%39
September 202584%43
October 202593%29
November 202586%29
December 202574%31
January 202694%31
February 202696%28
March 202674%42
April 202687%30
May 202685%27
Departures on time
72%
Diverted
0.5%
Flights flown
382
Months covered
12

Based on 386 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.