MQ4023 JacksonvilleJAX · 19:37 MiamiMIA · 21:00
MQ4023 by Envoy Air flies from Jacksonville (JAX) to Miami (MIA) for the Mon, Sep 21 departure.
en route from JAX to MIA
board checked 11m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 20:56.
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
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 MQ4023 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 MQ4023 actually runs
Pro Flight Search has tracked every published board update for MQ4023 across the JAX and MIA boards: schedule changes, gate pushes and actual clocks. Usually lands ~51 min late. Based on 4 confirmed landings · 2/4 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 MQ4023 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: N324ES, N340TC, N224NN, N218NN.
Board clocks recorded as JAX and MIA published them.
Planning around MQ4023? 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 — MQ4023 Jacksonville to Miami on-time performance, measured from the JAX and MIA airport boards.
https://proflightsearch.com/flight/MQ4023