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Flight Reliability

WN 1813 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1813 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
8 min
Average arrival delay
0%
Cancelled
3 min early
Median arrival delay

Based on 369 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(61 flights)
  • Tue82%(44 flights)
  • Wed84%(43 flights)
  • Thu79%(65 flights)
  • Fri78%(68 flights)
  • Sat83%(35 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 3–6 AM91%(22 flights)
  • 6–9 AM94%(90 flights)
  • 9 AM–12 PM93%(27 flights)
  • 12–3 PM54%(43 flights)
  • 3–6 PM67%(63 flights)
  • 6–9 PM59%(46 flights)
  • 9 PM–12 AM76%(76 flights)
On-time trend by month
94%
May

Jun 76% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%25
July 202584%31
August 202555%31
September 202570%30
October 202582%49
November 202580%15
December 202546%13
January 202686%29
February 202697%39
March 202643%44
April 202693%30
May 202694%31
Departures on time
72%
Diverted
0.5%
Flights flown
367
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.