San Diego to Boston (SAN-BOS): nonstop upgrade & award space

JetBlue Airways, Alaska Airlines, and Delta Air Lines fly nonstop between San Diego (SAN) and Boston (BOS), roughly 35 times a week. Long-haul cabins on a corridor this busy are large but never idle: premium cabin inventory reshuffles around every schedule change, and the best dates go first. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, on every SAN to BOS departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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35
Nonstop flights a week
2,582 mi
Nonstop distance
Free
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San Diego to Boston flight schedule

Scheduled nonstop departures for SAN to BOS, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from San Diego (SAN) to Boston (BOS)
Date Flight Airline Departs SAN Arrives BOS Duration Aircraft
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 620JetBlue Airways10:1518:595h 44m32S
B6 220JetBlue Airways13:0622:256h 19m32S
B6 2120JetBlue Airways20:1705:005h 43m32S
AS 255Alaska Airlines, Inc.20:5205:405h 48m73J
DL 571Delta Air Lines22:0406:405h 36m32Q
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 220JetBlue Airways13:4823:006h 12m32S
B6 2120JetBlue Airways20:2005:155h 55m32S
AS 255Alaska Airlines, Inc.20:5205:405h 48m73J
DL 571Delta Air Lines22:0406:405h 36m32Q
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 220JetBlue Airways13:4823:006h 12m32S
B6 2120JetBlue Airways20:2005:155h 55m32S
AS 255Alaska Airlines, Inc.20:5905:475h 48m73J
DL 571Delta Air Lines22:0406:405h 36m32Q
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 220JetBlue Airways13:4823:006h 12m32S
B6 2120JetBlue Airways20:2005:155h 55m32S
AS 255Alaska Airlines, Inc.20:5905:475h 48m73J
DL 571Delta Air Lines22:0406:405h 36m32Q
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 220JetBlue Airways14:2523:406h 15m32S
B6 2120JetBlue Airways20:4005:195h 39m32S
AS 255Alaska Airlines, Inc.20:5205:405h 48m73J
DL 571Delta Air Lines22:0406:405h 36m32Q
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 220JetBlue Airways13:4823:006h 12m32S
B6 2120JetBlue Airways20:2005:155h 55m32S
AS 255Alaska Airlines, Inc.20:5905:475h 48m73J
DL 571Delta Air Lines22:0406:405h 36m32Q
AS 390Alaska Airlines, Inc.08:2517:125h 47m7M9
B6 220JetBlue Airways13:4823:006h 12m32S
B6 2120JetBlue Airways20:2005:155h 55m32S
AS 255Alaska Airlines, Inc.20:5905:475h 48m7M9
DL 571Delta Air Lines22:0406:405h 36m32Q

Showing all 36 scheduled SAN to BOS departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SAN to BOS date on the interactive map

Confirmed upgrade & award space on SAN to BOS departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, segment by segment and date by date. Open the calendar for San Diego to Boston to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SAN to BOS 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 BOS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying San Diego to Boston nonstop

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

See SAN to BOS on the interactive map →

Frequently asked questions about SAN to BOS

How far is Boston from San Diego?
SAN to BOS covers about 2,582 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SAN to BOS?
JetBlue Airways, Alaska Airlines, and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and Delta Air Lines, and award seats on JetBlue Airways.
How many flights a week are there from SAN to BOS?
About 35 nonstop flights a week run between San Diego and Boston in the current schedule, operated by JetBlue Airways, Alaska Airlines, and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SAN to BOS depart?
Scheduled SAN to BOS nonstops in the next 7 days with service leave between 08:25 and 22:04, local time at San Diego. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SAN to BOS?
Open the SAN to BOS route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SAN to BOS upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free