ON TIMEBOARD
SAN San Diego / MCI Kansas City

SAN → MCI on time

San Diego (San Diego, CA) to Kansas City (Kansas City, MO). Every scheduled flight, September 2025 to August 2026.

On time
67%
arrived < 15 min late
Cancelled
0.8%
384 flights
Typical arrival
+3 min
median vs schedule
When late
+51 min
average delay
Flights / day
1
1 airline

67% of flights from San Diego to Kansas City arrived on time over the past 12 months. That is worse than the typical U.S. route. 9% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SAN → MCI: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 192 three hours or more; 0.8% were cancelled outright.

Share of all 384 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines38467%0.8%+3 min7.6%+51 minSouthwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SAN). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (40 flights)6a7 a.m. departures: too few flights (6 flights)7a8 a.m. departures: too few flights (7 flights)8a9 a.m. departures: too few flights (22 flights)9a10 a.m. departures: too few flights (13 flights)10a11 a.m. departures: too few flights (22 flights)11anoon departures: too few flights (44 flights)12p1 p.m. departures: too few flights (40 flights)1p2 p.m. departures: 50% on time (108 flights)502p3 p.m. departures: too few flights (14 flights)3p4 p.m. departures: too few flights (21 flights)4p5 p.m. departures: too few flights (8 flights)5p6 p.m. departures: too few flights (16 flights)6p7 p.m. departures: too few flights (23 flights)7p
SAN → MCI, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: April (86%). Worst: July (57%).

40%70%100%Jan: 77% on time (102 flights)77JanFeb: too few flights (85 flights)FebMar: 74% on time (130 flights)74MarApr: 86% on time (107 flights)86AprMay: too few flights (99 flights)MayJun: 59% on time (112 flights)59JunJul: 57% on time (112 flights)57JulAug: 61% on time (101 flights)61AugSep: 79% on time (121 flights)79SepOct: 74% on time (119 flights)74OctNov: 77% on time (124 flights)77NovDec: 76% on time (129 flights)76Dec

By day of week

DayFlightsOn timeCancelled
Monday53——
Tuesday52——
Wednesday52——
Thursday52——
Friday52——
Saturday65——
Sunday58——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 63%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 8%

Cancellations: weather 2 · airline 1

Month by month

Not enough months with data to draw a trend.

Questions

How often are flights from SAN to MCI on time?

67% of 384 scheduled flights from San Diego, CA to Kansas City, MO arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

What month has the most delays from SAN to MCI?

July (57% on time). The best month is April (86%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.