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Route Reliability

San Antonio → Kansas City

SAT–MCI · 706 miles · San Antonio International Airport to Kansas City International Airport

88
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
6 min
Average arrival delay
0%
Cancelled
279
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 83% of the time across 279 flights. No comparison to make.

What the data says

Morning flights do better here.

SAT–MCI flights departing between 6–9 AM arrived on time 100% of the time, versus 60% between 6–9 PM.

Saturdays have been rough.

SAT–MCI flights arrived on time 94% of the time on Tuesdays and just 70% on Saturdays. That gap is worth planning around.

It basically never cancels.

Out of 279 scheduled flights, only 0.0% were cancelled.

Ticking up lately.

SAT–MCI flights arrived on time 87% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue94%(34 flights)
  • Wed94%(31 flights)
  • Thu77%(43 flights)
  • Fri81%(47 flights)
  • Sat70%(10 flights)
  • Sun85%(67 flights)
On-time by departure window
  • 6–9 AM100%(18 flights)
  • 9 AM–12 PM77%(107 flights)
  • 12–3 PM88%(121 flights)
  • 3–6 PM85%(13 flights)
  • 6–9 PM60%(10 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
90%
May

Jun 83% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202577%31
August 202577%26
September 202592%26
October 202568%19
November 202589%18
December 202587%15
February 202673%15
March 202679%28
April 202693%30
May 202690%30

Keep nerding

Based on 279 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.