No delays reported for F9 3377 (SJU → MIA) as of 6:45 PM ET. It arrived on time 91.2% of the time in June-August 2026. When it was late, the average delay was 1h 24m. None were cancelled. Right now there are no reported delays at SJU, MIA.
Looks on time
Next leg SJU → MIA, scheduled 7:30 AM local time. No delays at SJU right now, and it usually runs on time.
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Frontier for official times.
Before you fly
Some links are affiliate links.
Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SJU → MIA San Juan, PR to Miami, FL | 7:30 AM → 10:15 AM | 91% |
Local times. Schedules change; check your booking.
How reliable is F9 3377?
| Arrived on time (within 15 min) | 91.2% |
| Average delay when late | 84 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 91 |
Best and worst days to fly F9 3377
F9 3377 was most reliable on Mondays (100% on time) and least reliable on Sundays (77%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Frontier to the Department of Transportation.
Other flights SJU → MIA
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Frontier app.
Frontier delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is F9 3377 delayed today?
Right now there are no reported delays at SJU, MIA. Checked 6:45 PM ET. For this flight's gate and exact status, check the Frontier app.
Is F9 3377 usually on time?
F9 3377 arrived within 15 minutes of schedule 91.2% of the time in June-August 2026, with an average delay of 84 minutes when late.
How often is F9 3377 cancelled?
0% of F9 3377 flights were cancelled in June-August 2026.