The sector is held by Alaska Airlines, United Airlines and Southwest Airlines.
Airport pair · hand carry reference
IAD Washington DC to SAN San Diego
Washington Dulles, the United States, to San Diego International, the United States. Computed from the scheduled network held on 2026-09-07.
- Nonstop
- 4.9 times a day
- Great circle
- 3,618 km
- Block, estimated
- 4h 51m
- Door to door
- 11h 36m
What IAD to SAN looks like
The IAD to SAN sector, the carriers on it and the flying time, before anything is promised to anybody.
Washington DC IAD to San Diego SAN is a long haul sector of 3,618 km by great circle, flown nonstop 4.9 times a day.
At the cruise speed this site models for 3,618 km, 880 km an hour, and thirty minutes of taxi at the two ends, the flight blocks at about 4h 51m.
Washington DC IAD is a major hub in the network held here, 270 scheduled destinations and 481.8 departures a day. San Diego SAN has 123 destinations and 409.4 departures a day.
San Diego is 3 hours behind of Washington DC all year.
The pair sits inside the Americas, a corridor where the site already publishes 13 written lanes that go into customs and ground detail this page does not.
Who flies the sector, and how often
Average daily frequencies on IAD to SAN from the scheduled route statistics, both directions, with the operating carriers named.
| Direction | Flights a day | Flights a week | Operated by |
|---|---|---|---|
| IAD to SAN | 4.86 | 34 | Alaska Airlines, United Airlines |
| SAN to IAD | 4.44 | 31.1 | Alaska Airlines, United Airlines, Southwest Airlines |
3 carriers are recorded on the sector, so a missed departure is normally a rebooking rather than a lost day.
At 4.9 times a day there is usually another departure within a few hours, which is what makes a same day booking on this pair realistic.
Between them the two directions put about 65.1 departures a week on IAD to SAN, which is the number that decides whether a seat can be found today or on Thursday.
The clock from collection to signature
The same ground timings the route calculator starts from, applied to the 4h 51m block time on IAD to SAN. Change any of them in the tool further down and the total moves with them.
| Stage | Allowed | Elapsed |
|---|---|---|
| Collection and the run to IAD | 90 min | 1h 30m |
| At IAD before departure | 180 min | 4h 30m |
| IAD to SAN in the air, estimated | 291 min | 9h 21m |
| Formalities at SAN | 90 min | 10h 51m |
| Delivery run in San Diego | 45 min | 11h 36m |
| Door to door | 696 min | 11h 36m |
On the desk standard ground timings, ninety minutes to collect and reach the airport, three hours at the airport before departure, ninety minutes of arrival formalities and a forty five minute delivery run, the door to door figure for IAD to SAN is 11h 36m.
A courier who leaves Washington DC at 09:00 local is on the ground in San Diego at about 10:51 local and at the door by 13:06 the same day.
Working backwards from a six in the evening handover in San Diego, the last useful departure from Washington DC is around 13:54 local.
When the nonstop does not work
Every airport that joins the two ends, ranked by when they land, among the ones whose weaker leg is dependable enough to plan on. Connection time is allowed for the size of the hub. 50 of them join IAD to SAN.
| Connecting at | IAD to hub, flights a day | Hub to SAN, flights a day | Track, km | Estimated, gate to gate |
|---|---|---|---|---|
| Kansas City MCI | 2.57 | 1.14 | 3,629 | 6h 38m |
| Washington DC DCA | 0.57 | 1.29 | 3,693 | 6h 42m |
| Phoenix PHX | 1.29 | 21 | 3,631 | 6h 45m |
| Pittsburgh PIT | 4.86 | 0.71 | 3,676 | 6h 45m |
| Columbus CMH | 7.29 | 0.57 | 3,635 | 6h 45m |
| Baltimore BWI | 0.71 | 3.14 | 3,759 | 6h 47m |
With 4.9 times a day on the nonstop, a connection here is a disruption plan rather than a routing, and it is listed because a closed runway or a cancellation wave is exactly when nobody has time to work it out.
50 airports connect the two ends on the scheduled network held here. The quickest of the dependable ones is Kansas City MCI, where the weaker of the two legs still runs about once a day.
Through MCI the routing covers 3,629 km against the 3,618 km nonstop track and takes about 6h 38m in the air and on the ground at the hub, allowing 60 minutes to connect at an airport of that size.
That is only 1h 47m more than the nonstop, which is close enough that a connection is worth taking when the nonstop is full or badly timed.
Behind it, Washington DC DCA at 6h 42m and Phoenix PHX at 6h 45m hold the same connection, so a booking has three hubs to try before it has to wait for the nonstop.
If nothing suitable leaves Washington DC, Washington DC DCA is 38 km away by great circle and carries 112 scheduled destinations of its own, which is usually a shorter road transfer than a lost day.
If nothing suitable leaves San Diego, Tijuana TIJ is 30 km away by great circle and carries 45 scheduled destinations of its own, which is usually a shorter road transfer than a lost day.
Plan Washington DC to San Diego yourself
The same tool the dispatchers use, open to anybody and free. It is loaded with this pair already. Change either end, add a stopover or a preferred airline, and it works out the connection, the transit and the door to door clock, with the real departures underneath. Put it on your own site if it is useful to you.
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Restrictions
Where this came from, and where to look next
- Carriers and frequencies: AeroDataBox scheduled route statistics, retrieved 2026-09-07. Average daily flights, not a timetable.
- Distances: great circle from published coordinates. They read short against a flown track, which is why the block time above applies a factor to them.
- Block and connection times: the same model the route calculator lower down this page runs, at the same rounding.
- Restrictions: the airport notes file, checked 2026-09-07.
- Industrial sites: public company information. Nothing here says or implies that any company named is a customer of any courier operator.
Who publishes this. OnBoard Courier is a placement desk in Dubai. An assignment is carried out by a vetted partner operator, with the desk as the single point of contact from the quote to the signature. This page exists because our own dispatchers need the answer for IAD to SAN in the twenty minutes before a promise is made, and a reference only one operator can read is not a reference. Free to read, quote and cite. Found an error? Tell us and we will correct it.
If you need something moved rather than looked up, the desk prices a hand carry in fifteen minutes.
- The IAD airport entry
- The SAN airport entry
- Hand carry into the United States
- The written lane, San Diego to Tijuana
- The route calculator
More pairs through IAD and SAN: Washington DC to Seattle, Washington DC to Detroit, Boston to Washington DC, Houston to Washington DC, Dubai to Washington DC, Sao Paulo to Washington DC, Washington DC to Montreal, Charlotte to Washington DC.