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WanderNerd

Flight Reliability

WN 2876 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2876 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

79%
Arrive within 15 minutes
8 min
Average arrival delay
0.3%
Cancelled
5 min early
Median arrival delay

Based on 338 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(57 flights)
  • Tue85%(47 flights)
  • Wed86%(44 flights)
  • Thu71%(52 flights)
  • Fri64%(53 flights)
  • Sat96%(46 flights)
  • Sun78%(36 flights)
On-time by departure window
  • 3–6 AM96%(55 flights)
  • 6–9 AM90%(115 flights)
  • 9 AM–12 PM82%(34 flights)
  • 12–3 PM70%(63 flights)
  • 3–6 PM51%(51 flights)
  • 6–9 PM75%(12 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
93%
May

Jun 41% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%27
July 202527%22
August 202573%30
September 202590%30
October 202583%35
November 202590%19
December 202592%38
January 202694%16
February 202677%22
March 202683%36
April 202693%30
May 202693%30
Departures on time
73%
Diverted
0.6%
Flights flown
335
Months covered
12

Based on 338 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.