ON TIMEBOARD

AA 670 on time

American Airlines 670: Miami to Kansas City at 7:50 p.m. (past 12 months)

On time
65%
209 flights · likely 58–71%
Cancelled
0.5%
of scheduled flights
Typical arrival
+2 min
median vs schedule
When late
+71 min
average delay
Similar flights
69%
AA, same route & hour

About 1 in 3 AA 670 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (35%); 0.5% were cancelled. The typical flight landed 2 minutes late.

AA 670: MIA → MCI

Scheduled to leave Miami at 7:50 p.m. local time. Over the past year it arrived on time 65% of the time (209 flights), worse than other AA flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from Miami to Kansas City (69% of days). American Airlines's last MIA–MCI flight was cancelled 1.8% of the time, against 1.3% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 1:53 p.m. the next morning.

Month by month

20%60%100%May 2025: 55% on time (31 flights)55MayJun 2025: 27% on time (30 flights)27JunJul 2025: 45% on time (31 flights)45JulAug 2025: 45% on time (31 flights)45AugSep 2025: 80% on time (30 flights)80SepOct 2025: 74% on time (31 flights)74OctNov 2025: too few flights (1 flights)NovApr 2026: 58% on time (24 flights)58AprMay 2026: 68% on time (31 flights)68MayJun 2026: 77% on time (30 flights)77JunJul 2026: 42% on time (31 flights)42JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday3060%
Tuesday3073%
Wednesday3060%
Thursday3063%
Friday3060%
Saturday3063%
Sunday2972%

Why it was late

Airline (crew, maintenance, ops) 44%Late inbound plane 38%Air traffic & airport (NAS) 13%Severe weather 4%Security 1%

All flights MIA → MCI · Connecting off AA 670? Check the risk

Questions

How often is AA 670 from MIA to MCI late?

American Airlines 670 from Miami, FL to Kansas City, MO arrived 15 or more minutes late, was diverted or was cancelled on 35% of 209 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.