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Flight Reliability

WN 2939 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2939 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

86%
Arrive within 15 minutes
1 min early
Average arrival delay
1.0%
Cancelled
7 min early
Median arrival delay

Based on 386 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue85%(59 flights)
  • Wed95%(55 flights)
  • Thu81%(43 flights)
  • Fri88%(43 flights)
  • Sat86%(62 flights)
  • Sun88%(72 flights)
On-time by departure window
  • 3–6 AM91%(34 flights)
  • 6–9 AM99%(85 flights)
  • 9 AM–12 PM86%(114 flights)
  • 12–3 PM80%(110 flights)
  • 3–6 PM67%(36 flights)
On-time trend by month
56%
May

Jun 100% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%34
July 2025100%34
August 2025100%23
September 2025100%21
October 202595%43
November 202585%33
December 202576%42
January 202688%32
February 202682%28
March 202661%36
April 202689%28
May 202656%25
Departures on time
85%
Diverted
0.8%
Flights flown
379
Months covered
12

Keep nerding

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.