Kansas City International Airport (MCI): Delays & On-Time Performance
Data through July 2026
Kansas City International Airport (MCI) is a tale of two seasons: departures ran 90% on-time in October 2024 but sank to 74% in June 2026. Across the year it averages 81% against a national 78%, over roughly 135 departures a day to 63 destinations.
- Departures on-time
- 81%
- left <15 min late
- Avg dep delay
- 15 min
- Arrivals on-time
- 77%
- Cancelled
- 1.5%
- Destinations
- 63
- nonstop
- Airlines
- 13
Plan your departure from MCI
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 6 a.m.
- 94% on-time
- Best day to fly
- Wednesday
- 84% on-time
- Cancellation risk
- 1.5%
- close to the US average
Monthly on-time trend
Best time of day to depart from MCI
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 17 min |
| Tuesday | 83% | 13 min |
| Wednesdaybest | 84% | 13 min |
| Thursday | 80% | 14 min |
| Friday | 80% | 16 min |
| Saturday | 82% | 14 min |
| Sunday | 77% | 17 min |
Busiest routes from MCI
Where flights into MCI come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DEN (Denver) → MCI | 4,321 | 76% | 16 min |
| ORD (Chicago) → MCI | 4,197 | 74% | 20 min |
| ATL (Atlanta) → MCI | 3,272 | 80% | 13 min |
| DFW (Dallas/Fort Worth) → MCI | 2,528 | 69% | 24 min |
| PHX (Phoenix) → MCI | 2,472 | 79% | 13 min |
| MDW (Chicago) → MCI | 2,102 | 80% | 12 min |
| DAL (Dallas) → MCI | 2,055 | 76% | 14 min |
| LAS (Las Vegas) → MCI | 1,992 | 79% | 12 min |
What causes delays at MCI
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing MCI.
- Late-arriving aircraft44%
- Airline operations29%
- National airspace system22%
- Weather5%
Alternative airports near Kansas City
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| MHK — Manhattan Regional Airport | 105 mi | 84% | 17 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at MCI
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Alaska Airlines | 88% | 9 min | 1,901 |
| Delta Air Lines | 88% | 12 min | 16,642 |
| United Airlines | 86% | 13 min | 7,402 |
| Republic Airways | 86% | 14 min | 3,410 |
| Envoy Air | 82% | 13 min | 3,064 |
| SkyWest Airlines | 82% | 20 min | 3,765 |
| Endeavor Air | 82% | 19 min | 502 |
| American Airlines | 79% | 22 min | 11,119 |
| Spirit Airlines | 79% | 18 min | 2,430 |
| Southwest Airlines | 78% | 14 min | 49,351 |
| PSA Airlines | 76% | 31 min | 1,886 |
| Frontier Airlines | 71% | 25 min | 835 |
| Allegiant Air | 69% | 24 min | 571 |
Frequently asked questions
- How often are flights delayed at MCI?
- 19% of departures from Kansas City International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 15 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from MCI?
- Flights scheduled around 6 a.m. depart on time 94% of the time at MCI, versus 57% around 10 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at MCI?
- In this dataset, June 2026 was the weakest month at MCI, with 74% of departures on time.
- How often are flights cancelled at MCI?
- 1.5% of scheduled departures from MCI were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 102,878 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.