The Dulles to San Juan route connects Washington Dulles International Airport (IAD) in US with Luis Munoz Marin International Airport (SJU) in PR. This medium-haul flight covers approximately 1576 miles (2536 km) with a typical flight time of 3h 25m. This route is served by 2 airlines: Frontier, United. AirportRoutes has tracked 4 unique flight numbers on this route.
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Washington Dulles International Airport
KIADIADLuis Munoz Marin International Airport
TJSJSJU2
Operators4
Tracked Flights1576
Miles3h 25m
Flight Duration| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 3 | 13% |
|
| Tuesday | 4 | 17% |
|
| Wednesday | 4 | 17% |
|
| Thursday | 2 | 9% |
|
| Friday | 2 | 9% |
|
| Saturday | 4 | 17% |
|
| Sunday | 4 | 17% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Frontier
FFT
/ F9
|
A21N | 20:20 8:20 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active | |
|
United
UAL
/ UA
|
B39M | 08:27 8:27 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active |
Time Information
Times are shown in the departure airport's local timezone (KIAD - America/New_York).