Route on-time record
MCI to MIA: most on-time flights and the best time to fly
Kansas City (Kansas City International Airport) to Miami (Miami International Airport). 759 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 1.6% were cancelled. The most reliable flight number was American 892 at 5:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
MCI → MIA
Kansas City to Miami: 759 nonstop flights a year
On time (12 months)
83%
Cancelled
1.6%
avg delay 14 min
Best time to leave
Before 9 AM
88% on time vs 50% noon to 3 PM
Most reliable airline
American
87% chance on time
Lowest nonstop fare seen in the next two months: $250 (Southwest 833 on 2026-11-24). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · American 892
5:00 AM → 9:07 AM3h 07m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.5%
- Avg arrival delay
- 15 min
- Arrived on time 88% of the time (206 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; Noon to 3 PM: 50%).
Strong track record · 206 flights
Find American 892 fares Opens this date on Aviasales#2 · Envoy 3939 · sold as American Eagle
11:28 AM → 3:41 PM3h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 89% of the time (9 flights, Jun 2025 to May 2026).
- Lands inside MIA's trouble window: 49% of its 45 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 9 flights
Find 11:28 AM flight fares Opens this date on Aviasales#3 · Envoy 3742 · sold as American Eagle
5:52 PM → 10:00 PM3h 08m nonstop
Local times, typical schedule. Last flown 2026-05-20.
78%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 78% of the time (60 flights, Jun 2025 to May 2026).
- Never cancelled in 60 scheduled flights.
Moderate track record · 60 flights
Find 5:52 PM flight fares Opens this date on Aviasales#4 · Southwest 1927
9:10 AM → 1:10 PM3h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 85% of the time (39 flights, Jun 2025 to May 2026).
- Never cancelled in 39 scheduled flights.
- Lands inside MIA's trouble window: 49% of its 45 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 39 flights
Find Southwest 1927 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines87%
452 flights · 89% on time as flown · 1.9% cancel
- Envoy Air (sold as American Eagle)80%
134 flights · 81% on time as flown · 1.5% cancel
- Southwest Airlines71%
171 flights · 66% on time as flown · 1.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
438 flights · avg delay 15 min
- 9 AM to noon82%
164 flights · avg delay 9 min
- Noon to 3 PM50%
56 flights · avg delay 28 min
- 3 to 6 PM78%
101 flights · avg delay 11 min
Best day: Tuesday (85%). Worst: Sunday (80%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)52%
- Late-arriving aircraft27%
- Air traffic control and airport volume17%
- Severe weather4%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
MCI to MIA questions
- What time of day is best to fly MCI to MIA?
- Before 9 AM: 88% of flights arrived on time, against 50% for departures noon to 3 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from MCI to MIA?
- American, with a season-adjusted 87% chance of operating and arriving on time over 452 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on MCI to MIA?
- December (75% on time); the best was September (91%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from MCI
- MIA to MCI (return)
- MCI to DEN 75%
- MCI to ORD 74%
- MCI to ATL 87%
- MCI to DFW 73%
- MCI to PHX 79%
- MCI to MDW 80%
- MCI to DAL 81%
- MCI to LAS 81%
- MCI to DCA 74%
- MCI to LGA 76%
- MCI to MCO 79%
- MCI to BNA 83%
Most on-time flights from MCI on every route →
Live status: FAA delays and ground stops