F93378Frontier Airlines · MIA → SJU
live · 25m ago
Route confirmed Frontier Airlines

F93378 MiamiMIA · 23:20 San JuanSJU · 02:07

F93378 by Frontier Airlines flies from Miami (MIA) to San Juan (SJU).

Right nowNext departure today Operates daily
21:33

scheduled from MIA

Typical gate push+11 minmedian posted departure
Typical arrival−23 minmedian over 4 operations
Wins back in air~34 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-09
+11 gate · −23 arrival
09-08
+11 gate · −23 arrival
09-07
+3 gate · −41 arrival
09-06
+5 gate · −35 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
MIAMiamiHigh riskMIA delay board →
SJUSan JuanOn-time likelySJU delay board →
MIA→SJUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
2.2%Chance of cancellation
+15 minAvg hub delay right now

Conditions at MIA and SJU 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Miami to San Juan flights today

same route · Frontier Airlines
F91746departs 20:00

If F93378 is cancelled, this is the other Frontier Airlines nonstop flight from Miami to San Juan on the same day, with scheduled departure times in MIA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How F93378 actually runs

Pro Flight Search has tracked every published board update for F93378 across the MIA and SJU boards: schedule changes, gate pushes and actual clocks. Usually lands ~23 min early. 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 F93378 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-09MIA 23:20 23:31 (+11)SJU 02:07 01:44 (−23)
09-08MIA 23:20 23:31 (+11)SJU 02:07 01:44 (−23)
09-07MIA 21:48 21:51 (+3)SJU 00:43 00:02 (−41)
09-06MIA 21:48 21:53 (+5)SJU 00:43 00:08 (−35)

Aircraft

Recent tails: N331FR, N363FR, N439FR.

Board clocks recorded as MIA and SJU published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — F93378 Miami to San Juan on-time performance, measured from the MIA and SJU airport boards.

Canonical URL
https://proflightsearch.com/flight/F93378
How we measure this →