Route guide

San Diego to Detroit (SAN-DTW): Nonstop Upgrade & Award Space

Delta Air Lines flies nonstop between San Diego (SAN) and Detroit (DTW), roughly 25 times a week. With Delta Air Lines operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every SAN to DTW departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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25
Nonstop flights a week
1,953 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SAN to DTW departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for San Diego to Detroit to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each SAN to DTW departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SAN to DTW on the interactive route map, with schedules, connections, and route statistics.

Airlines flying San Diego to Detroit nonstop

Carriers operating SAN to DTW nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Delta Air Lines
See SAN to DTW on the interactive map →

Frequently asked questions about SAN to DTW

How far is Detroit from San Diego?
SAN to DTW covers about 1,953 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SAN to DTW?
Delta Air Lines is currently the only airline flying SAN to DTW nonstop. 2LNR tracks confirmed upgrade and award space on every Delta Air Lines departure.
How many flights a week are there from SAN to DTW?
About 25 nonstop flights a week run between San Diego and Detroit in the current schedule, operated by Delta Air Lines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SAN to DTW?
Open the SAN to DTW calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the San Diego to Detroit route, and 2LNR will notify you when space opens. It's free to start.

Never miss SAN to DTW upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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