The sector is held by Alaska Airlines, Frontier Airlines, Southwest Airlines, Sun Country Airlines and United Airlines.
Airport pair · hand carry reference
SAN San Diego to DEN Denver
San Diego International, the United States, to Denver International, the United States. Computed from the scheduled network held on 2026-09-07.
- Nonstop
- 19.7 times a day
- Great circle
- 1,371 km
- Block, estimated
- 2h 15m
- Door to door
- 9h 00m
What SAN to DEN looks like
The SAN to DEN sector, the carriers on it and the flying time, before anything is promised to anybody.
San Diego SAN to Denver DEN is a medium haul sector of 1,371 km by great circle, flown nonstop 19.7 times a day.
At the cruise speed this site models for 1,371 km, 830 km an hour, and thirty minutes of taxi at the two ends, the flight blocks at about 2h 15m.
San Diego SAN is a large airport in the network held here, 123 scheduled destinations and 409.4 departures a day. Denver DEN has 245 destinations and 1,131.7 departures a day.
Denver carries about 2.8 times the departures of San Diego, so a courier who has to be rebooked has far more to work with at one end of this pair than at the other.
Denver is one hour ahead of San Diego 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 SAN to DEN from the scheduled route statistics, both directions, with the operating carriers named.
| Direction | Flights a day | Flights a week | Operated by |
|---|---|---|---|
| SAN to DEN | 19.71 | 138 | Alaska Airlines, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United Airlines |
| DEN to SAN | 19.14 | 134 | Alaska Airlines, Frontier Airlines, Southwest Airlines, United Airlines |
5 carriers are recorded on the sector, so a missed departure is normally a rebooking rather than a lost day.
At 19.7 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 271.9 departures a week on SAN to DEN, 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 2h 15m block time on SAN to DEN. Change any of them in the tool further down and the total moves with them.
| Stage | Allowed | Elapsed |
|---|---|---|
| Collection and the run to SAN | 90 min | 1h 30m |
| At SAN before departure | 180 min | 4h 30m |
| SAN to DEN in the air, estimated | 135 min | 6h 45m |
| Formalities at DEN | 90 min | 8h 15m |
| Delivery run in Denver | 45 min | 9h 00m |
| Door to door | 540 min | 9h 00m |
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 SAN to DEN is 9h 00m.
A courier who leaves San Diego at 09:00 local is on the ground in Denver at about 12:15 local and at the door by 14:30 the same day.
Working backwards from a six in the evening handover in Denver, the last useful departure from San Diego is around 12:30 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. 58 of them join SAN to DEN.
| Connecting at | SAN to hub, flights a day | Hub to DEN, flights a day | Track, km | Estimated, gate to gate |
|---|---|---|---|---|
| Albuquerque ABQ | 2.14 | 10 | 1,572 | 4h 07m |
| Phoenix PHX | 20.29 | 25.86 | 1,458 | 4h 12m |
| Las Vegas LAS | 19.57 | 21.86 | 1,425 | 4h 24m |
| Salt Lake City SLC | 12.43 | 25 | 1,636 | 4h 27m |
| El Paso ELP | 1.86 | 5.71 | 1,930 | 4h 28m |
| Los Angeles LAX | 8.23 | 23.57 | 1,561 | 4h 32m |
With 19.7 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.
58 airports connect the two ends on the scheduled network held here. The quickest of the dependable ones is Albuquerque ABQ, where the weaker of the two legs still runs about twice a day.
Through ABQ the routing covers 1,572 km against the 1,371 km nonstop track and takes about 4h 07m 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 52m more than the nonstop, which is close enough that a connection is worth taking when the nonstop is full or badly timed.
Behind it, Phoenix PHX at 4h 12m and Las Vegas LAS at 4h 24m hold the same connection, so a booking has three hubs to try before it has to wait for the nonstop.
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 San Diego to Denver 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 SAN to DEN 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 SAN airport entry
- The DEN airport entry
- Hand carry into the United States
- The written lane, San Diego to Tijuana
- The route calculator
More pairs through SAN and DEN: Seattle to Denver, Atlanta to Denver, San Francisco to Denver, Boston to Denver, Detroit to Denver, Chicago to Denver, Los Angeles to Denver, Phoenix to Denver.