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Route Reliability

San Diego → Kansas City

SAN–MCI · 1,334 miles · San Diego International Airport to Kansas City International Airport

79
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
10 min
Average arrival delay
0.8%
Cancelled
395
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 76% of the time across 395 flights. No comparison to make.

What the data says

Morning flights do better here.

SAN–MCI flights departing between 6–9 AM arrived on time 91% of the time, versus 66% between 6–9 PM.

Sunday scaries are real for this one.

SAN–MCI flights arrived on time 85% of the time on Saturdays and just 68% on Sundays. That gap is worth planning around.

Ticking up lately.

SAN–MCI flights arrived on time 82% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(52 flights)
  • Tue81%(52 flights)
  • Wed83%(52 flights)
  • Thu75%(52 flights)
  • Fri71%(51 flights)
  • Sat85%(65 flights)
  • Sun68%(66 flights)
On-time by departure window
  • 6–9 AM91%(63 flights)
  • 9 AM–12 PM85%(48 flights)
  • 12–3 PM73%(186 flights)
  • 3–6 PM72%(58 flights)
  • 6–9 PM66%(35 flights)
On-time trend by month
87%
May

Jun 69% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%39
July 202577%39
August 202573%33
September 202573%30
October 202584%31
November 202570%33
December 202575%32
January 202681%32
February 202670%27
March 202673%33
April 202687%31
May 202687%30

Keep nerding

Based on 395 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.