Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 103 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 103 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
10 min
Average arrival delay
0%
Cancelled
1 min
Median arrival delay

Based on 369 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(51 flights)
  • Tue89%(56 flights)
  • Wed82%(55 flights)
  • Thu80%(50 flights)
  • Fri76%(49 flights)
  • Sat81%(52 flights)
  • Sun58%(55 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM—(5 flights)
  • 9 AM–12 PM79%(117 flights)
  • 12–3 PM92%(52 flights)
  • 3–6 PM73%(97 flights)
  • 6–9 PM70%(69 flights)
  • 9 PM–12 AM57%(23 flights)
On-time trend by month
53%
May

Jun 73% → May 53% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202580%30
August 202590%31
September 202577%30
October 202561%31
November 202580%30
December 202552%31
January 202692%48
February 202692%37
March 202686%14
April 202673%26
May 202653%30
Departures on time
70%
Diverted
0.3%
Flights flown
368
Months covered
12

Keep nerding

Based on 369 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.