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Flight Reliability

WN 490 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 490 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
1.3%
Cancelled
2 min early
Median arrival delay

Based on 377 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(56 flights)
  • Tue82%(61 flights)
  • Wed74%(61 flights)
  • Thu80%(60 flights)
  • Fri73%(59 flights)
  • Sat100%(21 flights)
  • Sun60%(53 flights)
On-time by departure window
  • 3–6 AM100%(13 flights)
  • 6–9 AM96%(111 flights)
  • 9 AM–12 PM—(4 flights)
  • 12–3 PM59%(59 flights)
  • 3–6 PM70%(82 flights)
  • 6–9 PM68%(78 flights)
  • 9 PM–12 AM67%(24 flights)
On-time trend by month
53%
May

Jun 91% → May 53% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%32
July 202597%31
August 202594%31
September 202597%30
October 202570%43
November 202554%28
December 202569%29
January 202679%24
February 202667%24
March 202656%25
April 202692%36
May 202653%38
Departures on time
69%
Diverted
0.3%
Flights flown
371
Months covered
12

Keep nerding

Based on 377 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.