Route · MCI → SAN · 2020–2025 BTS data
Kansas City to San Diego
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MCI to SAN (Kansas City to San Diego) ranks #3946 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.6%
- On-time
- -0.4 pts
- vs US avg
- 53 min
- Delay when late
- 1,795
- Flights
- #3946 of 4927
- Corpus placement
Cancelled
0.1%
Best Month
Dec 2023 95%
Worst Month
Mar 2024 85%
Distance
1,334 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 33 | 10 | 0 | 0 | WN |
| Nov 2025 | 33 | 5 | 0 | 0 | WN |
| Oct 2025 | 31 | 9 | 0 | 0 | WN |
| Sep 2025 | 30 | 4 | 0 | 0 | WN |
| Aug 2025 | 33 | 5 | 0 | 0 | WN |
| Jul 2025 | 39 | 6 | 0 | 0 | WN |
| Jun 2025 | 39 | 12 | 0 | 0 | WN |
| May 2025 | 34 | 14 | 0 | 0 | WN |
| Apr 2025 | 35 | 6 | 0 | 0 | WN |
| Mar 2025 | 39 | 8 | 0 | 0 | WN |
| Jan 2025 | 32 | 7 | 1 | 0 | WN |
| Dec 2024 | 34 | 7 | 0 | 1 | WN |
| Nov 2024 | 32 | 7 | 0 | 0 | WN |
| Oct 2024 | 31 | 6 | 0 | 0 | WN |
| Sep 2024 | 34 | 2 | 0 | 0 | WN |
| Aug 2024 | 36 | 6 | 0 | 0 | WN |
| Jul 2024 | 39 | 14 | 0 | 0 | WN |
| Jun 2024 | 39 | 17 | 0 | 0 | WN |
| May 2024 | 34 | 7 | 0 | 0 | WN |
| Apr 2024 | 41 | 6 | 0 | 0 | WN |
| Mar 2024 | 59 | 9 | 0 | 0 | WN |
| Feb 2024 | 41 | 14 | 0 | 0 | WN |
| Jan 2024 | 49 | 13 | 0 | 0 | WN |
| Dec 2023 | 62 | 3 | 0 | 0 | WN |
MCI–SAN seasonal on-time pattern
Best: November (88.3%) · weakest: June (59.1%)
Strongest calendar month
November
88.3% on-time · ~39 flights/mo
Busiest calendar month
February
~47 flights/mo avg
Weakest calendar month
June
59.1% on-time · ~46 flights/mo
Cancellation Rate
0.1%
1 of 909 flights
Diversion Rate
0.1%
1 of 909 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
MCI on-time profileSAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileCompare the two airports
See MCI and SAN side by side on delays, cancellations, and reliability.
Compare MCI vs SANOrigin-hub reliability standing
Mid-pack among MCI departures
From MCI, this corridor sits with 25 other 75–85% on-time routes out of 39 tracked departures, not the hub's reliability leaders (14 at ≥85%) and not the softest ( 0 below 75%). Destination: San Diego · fleet on-time rank #3640 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MCI–SAN.
Routes with a similar on-time rate
What the Data Says About MCI to SAN
1,795 tracked flights put the MCI to SAN pairing (Kansas City to San Diego) at a 78.6% on-time rate, squarely in line with the wider network. Delays that do occur run 53.4 minutes on average. Across the 1,334-mile route and its 1 carrier, the trailing 24 months show 0.1% cancelled and 0.1% diverted (909 flights sampled).
Monthly performance varies moderately here: Dec 2023 was the strongest month at 95% on-time versus Mar 2024 at 85%, a 10-point difference.
On the multi-year calendar, MCI–SAN peaks in November at 88.3% on-time while February carries the heaviest traffic (~47 flights per month) ; the softest month is June at 59.1%, a 29.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MCI to SAN rank among US routes by traffic? ▼
How often are flights delayed from MCI to SAN? ▼
What is the cancellation rate for MCI to SAN? ▼
How far is the flight from MCI to SAN? ▼
When is the best time to fly from MCI to SAN? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using MCI–SAN data
MCI–SAN is mid-pack at 78.6% on-time; month and carrier mix move more than the corridor headline.
- Compare MCI and SAN airport profiles: delay causes and top routes differ even on the same corridor. MCI airport
- If your dates flex, November (88.3% on-time) beats June (59.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.6% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.