MQ3854 JacksonvilleJAX · 08:00 MiamiMIA · 09:20
MQ3854 by Envoy Air flies from Jacksonville (JAX) to Miami (MIA).
scheduled from JAX
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −2 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at JAX and MIA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Jacksonville to Miami flights today
same route · Envoy AirIf MQ3854 is cancelled, these are the other Envoy Air nonstop flights from Jacksonville to Miami on the same day, with scheduled departure times in JAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How MQ3854 actually runs
Pro Flight Search has tracked every published board update for MQ3854 across the JAX and MIA boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how MQ3854 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N329DD, N286NN, N259NN, N218NN.
Board clocks recorded as JAX and MIA published them.
Planning around MQ3854? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — MQ3854 Jacksonville to Miami on-time performance, measured from the JAX and MIA airport boards.
https://proflightsearch.com/flight/MQ3854
.