MCI to SAN flight delays & on-time performance
Nonstop flights from Kansas City International Airport to San Diego International Airport · 1,334 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.3%
1 flights
Avg arrival delay
12 min
41 min when late
Airlines
1
385 flights tracked
Key facts
- Flights from Kansas City (MCI) to San Diego (SAN) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 2pm did best (86% on time); around 6pm did worst (29%).
- Wednesday was the most reliable day to fly (85% on time) and Friday the least (64%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from MCI to SAN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 75% | 0.3% | 12 min | 4.9% | 385 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am100%12 flights
- 10am74%47 flights
- 11am85%61 flights
- 12pm83%47 flights
- 1pm74%62 flights
- 2pm86%51 flights
- 3pm80%20 flights
- 4pm78%36 flights
- 5pm38%14 flights
- 6pm29%31 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.0% cancelled
- Tuesday83%0.0% cancelled
- Wednesday85%0.0% cancelled
- Thursday71%0.0% cancelled
- Friday64%0.0% cancelled
- Saturday74%0.0% cancelled
- Sunday76%1.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)26%
- Security1%
- Extreme weather1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MCI to SAN: common questions
- How often are MCI to SAN flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Kansas City to San Diego cancelled?
- 0.3% of scheduled flights were cancelled (1 of 385).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 41 min behind schedule on average, and 4.9% of flights were an hour or more late.
- How long is taxi time at MCI?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAN to MCI — 71% on time
More flights from Kansas City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MCI → SAN, nonstop flights by US airlines that report to the DOT. How we calculate this.