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WanderNerd

Flight Reliability

WN 2838 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2838 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

60%
Arrive within 15 minutes
15 min
Average arrival delay
0.4%
Cancelled
7 min
Median arrival delay

Based on 260 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(42 flights)
  • Tue38%(40 flights)
  • Wed43%(35 flights)
  • Thu69%(36 flights)
  • Fri46%(41 flights)
  • Sat91%(34 flights)
  • Sun74%(31 flights)
On-time by departure window
  • 3–6 AM(5 flights)
  • 6–9 AM85%(27 flights)
  • 9 AM–12 PM57%(96 flights)
  • 12–3 PM60%(73 flights)
  • 3–6 PM28%(25 flights)
  • 6–9 PM(8 flights)
  • 9 PM–12 AM64%(25 flights)
On-time trend by month
36%
May

Jun 67% → May 36% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%48
July 202556%54
August 202560%10
October 202570%33
December 202541%22
January 202686%14
February 202684%19
April 202638%21
May 202636%25
Departures on time
58%
Diverted
0%
Flights flown
259
Months covered
12

Based on 260 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.