BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MCI→SAN

Kansas City, MO (MCI) to San Diego, CA (SAN) flight delay odds

77.2% of 390 official scheduled MCI-to-SAN flights arrived on time; 12.6% arrived at least 30 minutes late and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.2%arrived on time
12.6%30+ min late
0.3%cancelled
390scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.4%all scheduled flights
120+ minutes late0.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.3 mincompleted flights

Which departure time was most reliable for MCI to SAN?

Among qualifying MCI-to-SAN departure window results, Late morning had the highest on-time rate: 81.4% of 113 flights. Afternoon was lowest at 80.9% across 225 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning11381.4%8.8%0.0%
Afternoon22580.9%10.2%0.0%

Which weekday was most reliable for MCI to SAN?

Among qualifying MCI-to-SAN weekday results, Tuesday had the highest on-time rate: 84.9% of 53 flights. Friday was lowest at 65.4% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5280.8%13.5%0.0%
Tuesday5384.9%3.8%0.0%
Wednesday5284.6%5.8%0.0%
Thursday5276.9%13.5%0.0%
Friday5265.4%17.3%0.0%
Saturday6674.2%16.7%0.0%
Sunday6374.6%15.9%1.6%

Which airline was most reliable for MCI to SAN?

Only Southwest Airlines met the MCI-to-SAN airline threshold: 77.2% of 390 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines39077.2%12.6%0.3%

Which month was most reliable for MCI to SAN?

Among qualifying MCI-to-SAN month results, March 2026 had the highest on-time rate: 88.6% of 35 flights. June 2026 was lowest at 47.1% across 34 flights.

MonthFlightsOn time30+ minCancelled
July 20253984.6%10.3%0.0%
August 20253384.8%3.0%0.0%
September 20253086.7%3.3%0.0%
October 20253171.0%16.1%0.0%
November 20253384.8%15.2%0.0%
December 20253369.7%12.1%0.0%
January 20263284.4%9.4%0.0%
February 20262878.6%14.3%0.0%
March 20263588.6%5.7%2.9%
April 20263174.2%12.9%0.0%
May 20263171.0%16.1%0.0%
June 20263447.1%32.4%0.0%

What drove MCI to SAN delay minutes?

Late aircraft was the largest recorded MCI-to-SAN delay category, accounting for 40.4% of 3,680 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.1%
Late aircraft40.4%
National airspace30.7%
Weather0.8%
Security1.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.