Miami (MIA) to Kansas City (MCI): On-Time Performance
Data through July 2026
Miami (MIA) to Kansas City (MCI) effectively runs on two schedules. In November 2024, 95% of arrivals were on time; in July 2024 that fell to 39% — a 56-point seasonal swing. Across the full period the route averages 71% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 68%), which matters most in the rough months.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 2.3
- last 12 months
- Duration
- 3h 30m
- scheduled
- Distance
- 1,251 mi
Best airline from MIA to MCI
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 85% | 7 min | 1.3% | 305 |
| American Airlines | 68% | 24 min | 1.9% | 856 |
| Southwest Airlines | 65% | 24 min | 0.7% | 304 |
Monthly on-time trend
Best time to fly from MIA to MCI
Aim for departures around 8 a.m. (92% on-time); avoid 10 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 65% | 23 min |
| Tuesdaybest | 80% | 13 min |
| Wednesday | 77% | 16 min |
| Thursday | 68% | 22 min |
| Friday | 71% | 20 min |
| Saturday | 69% | 21 min |
| Sunday | 67% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations37%
- National airspace system14%
- Weather6%
Frequently asked questions
- How often are flights from MIA to MCI delayed?
- 29% of MIA–MCI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from MIA to MCI?
- Envoy Air has the best on-time record on this route at 85%, based on 305 flights. 3 airlines flew MIA–MCI frequently enough to compare in this period.
- What is the best time of day to fly from MIA to MCI?
- Departures around 8 a.m. have the best record (92% on-time), while departures around 10 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MIA to MCI?
- The scheduled MIA–MCI flight time averages 3h 30m over 1,251 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are MIA to MCI flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MIA to MCI?
- July 2024 was the roughest month in this dataset, with only 39% of arrivals on time. The best was November 2024 at 95%. If your dates are flexible, that 56-point gap is worth planning around.
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Based on 1,474 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.