The Lisbon to Dulles route connects Lisbon Humberto Delgado Airport (LIS) in PT with Washington Dulles International Airport (IAD) in US. This long-haul flight covers approximately 3587 miles (5773 km) with a typical flight time of 7h 44m. This route is served by 2 airlines: TAP Air Portugal, United. AirportRoutes has tracked 3 unique flight numbers on this route.
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Lisbon Humberto Delgado Airport
LPPTLISWashington Dulles International Airport
KIADIAD2
Operators3
Tracked Flights3587
Miles7h 44m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| TAP Air Portugal |
TAP
|
TP
|
| United |
UAL
|
UA
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 2 | 12% |
|
| Tuesday | 2 | 12% |
|
| Wednesday | 3 | 19% |
|
| Thursday | 3 | 19% |
|
| Friday | 1 | 6% |
|
| Saturday | 3 | 19% |
|
| Sunday | 2 | 12% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
TAP Air Portugal
TAP
/ TP
|
A21N | 17:15 5:15 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active | |
|
United
UAL
/ UA
|
B772 | 12:20 12:20 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 20, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 12:20 12:20 PM | United |
UAL
|
UA
|
| 17:15 5:15 PM | TAP Air Portugal |
TAP
|
TP
|
Time Information
Times are shown in the departure airport's local timezone (LPPT - Europe/Lisbon).