About 89 flights a week. First departure around 12:57, last around 18:43.
Operates Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
On sampled departures, 77.8% left 15 minutes late or more (518 flights, average lateness 38.8 minutes).
| Day | Flights | First departure | Last departure |
|---|---|---|---|
| Monday | 13 | 12:57 | 18:43 |
| Tuesday | 11 | 12:57 | 18:43 |
| Wednesday | 12 | 12:57 | 18:43 |
| Thursday | 14 | 12:57 | 18:43 |
| Friday | 12 | 12:57 | 18:43 |
| Saturday | 14 | 12:57 | 18:43 |
| Sunday | 13 | 12:57 | 18:43 |
| Airline | Flights per week |
|---|---|
| United Airlines (UA) | 61 |
| Alaska Airlines (AS) | 25 |
| Delta Air Lines (DL) | 3 |
IAD departure delays · SEA departure delays
About 89 flights a week are on this schedule.
GET /routes returns each IAD–SEA flight: airline, departure time, duration and the days it operates.
https://www.goflightlabs.com/routes?access_key=YOUR_ACCESS_KEY&dep_iata=IAD&arr_iata=SEAField names match the live API. This flight only shows the shape. It is not a live result.
{
"success": true,
"data": [
{
"airline_iata": "AA",
"flight_iata": "AA100",
"flight_number": "100",
"dep_iata": "IAD",
"arr_iata": "SEA",
"dep_time": "08:00",
"days": [
"mon",
"tue",
"wed",
"thu",
"fri"
]
}
]
}
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key and returns each IAD–SEA flight in the JSON above.
After the trial, Starter is $24.99/mo.