Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 2620 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2620 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

76%
Arrive within 15 minutes
7 min
Average arrival delay
0.3%
Cancelled
1 min early
Median arrival delay

Based on 293 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(49 flights)
  • Tue83%(29 flights)
  • Wed73%(26 flights)
  • Thu68%(50 flights)
  • Fri77%(52 flights)
  • Sat83%(42 flights)
  • Sun73%(44 flights)
On-time by departure window
  • 3–6 AM85%(13 flights)
  • 6–9 AM94%(32 flights)
  • 9 AM–12 PM81%(32 flights)
  • 12–3 PM77%(17 flights)
  • 3–6 PM88%(50 flights)
  • 6–9 PM67%(141 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
53%
May

Aug 81% → May 53% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202581%31
September 202582%34
October 202579%62
November 202595%19
December 202571%14
January 202692%13
February 2026100%19
March 202668%37
April 202663%32
May 202653%30
Departures on time
68%
Diverted
0%
Flights flown
292
Months covered
11

Keep nerding

Based on 293 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.