Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1973 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1973 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

78%
Arrive within 15 minutes
8 min
Average arrival delay
0.4%
Cancelled
2 min early
Median arrival delay

Based on 490 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(74 flights)
  • Tue78%(85 flights)
  • Wed72%(85 flights)
  • Thu84%(75 flights)
  • Fri78%(74 flights)
  • Sat78%(46 flights)
  • Sun75%(47 flights)
On-time by departure window
  • 6–9 AM98%(54 flights)
  • 9 AM–12 PM86%(109 flights)
  • 12–3 PM81%(139 flights)
  • 3–6 PM58%(33 flights)
  • 6–9 PM68%(121 flights)
  • 9 PM–12 AM67%(30 flights)
On-time trend by month
69%
May

Jun 60% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%52
July 202564%56
August 202591%42
September 202593%43
October 202591%23
November 202580%40
December 202580%35
January 202694%48
February 202678%37
March 202676%33
April 202674%38
May 202669%39
Departures on time
71%
Diverted
0.4%
Flights flown
486
Months covered
12

Keep nerding

Based on 490 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.