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

Alaska Airlines, JetBlue Airways, and Delta Air Lines fly nonstop between Boston (BOS) and San Diego (SAN), roughly 34 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 BOS to SAN 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.

See BOS to SAN on the interactive map Get started free
34
Nonstop flights a week
2,582 mi
Nonstop distance
Free
To get started

Boston to San Diego flight schedule

Scheduled nonstop departures for BOS to SAN, 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 Boston (BOS) to San Diego (SAN)
Date Flight Airline Departs BOS Arrives SAN Duration Aircraft
B6 619JetBlue Airways06:0009:056h 5m32S
AS 256Alaska Airlines, Inc.08:0011:126h 12m7M9
B6 219JetBlue Airways08:5011:566h 6m32S
B6 319JetBlue Airways15:5018:566h 6m32S
AS 389Alaska Airlines, Inc.16:3319:536h 20m73J
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 256Alaska Airlines, Inc.08:0011:126h 12m7M9
B6 219JetBlue Airways09:3012:346h 4m32S
B6 319JetBlue Airways15:5919:066h 7m32S
AS 389Alaska Airlines, Inc.16:3319:536h 20m73J
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 256Alaska Airlines, Inc.08:0011:126h 12m7M9
B6 219JetBlue Airways09:3012:346h 4m32S
B6 319JetBlue Airways15:4118:466h 5m32S
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 389Alaska Airlines, Inc.18:1721:306h 13m7M9
AS 256Alaska Airlines, Inc.08:0011:126h 12m7M9
B6 219JetBlue Airways09:3012:346h 4m32S
B6 319JetBlue Airways15:4118:466h 5m32S
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 389Alaska Airlines, Inc.18:1721:306h 13m7M9
AS 256Alaska Airlines, Inc.08:0011:126h 12m7M9
B6 219JetBlue Airways10:0013:156h 15m32S
AS 389Alaska Airlines, Inc.16:3319:536h 20m73J
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 256Alaska Airlines, Inc.08:2811:436h 15m73H
B6 219JetBlue Airways09:3012:346h 4m32S
B6 319JetBlue Airways15:4118:466h 5m32S
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 389Alaska Airlines, Inc.18:1721:306h 13m7M9
AS 256Alaska Airlines, Inc.08:2811:436h 15m73H
B6 219JetBlue Airways09:3012:346h 4m32S
B6 319JetBlue Airways15:4118:466h 5m32S
DL 571Delta Air Lines17:1020:156h 5m32Q
AS 389Alaska Airlines, Inc.18:1721:306h 13m7M9

Showing all 35 scheduled BOS to SAN 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 BOS to SAN date on the interactive map

Confirmed upgrade & award space on BOS to SAN 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 Boston to San Diego 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 BOS to SAN 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 BOS to SAN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Boston to San Diego nonstop

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

See BOS to SAN on the interactive map →

Frequently asked questions about BOS to SAN

How far is San Diego from Boston?
BOS to SAN 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 BOS to SAN?
Alaska Airlines, JetBlue Airways, 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 BOS to SAN?
About 34 nonstop flights a week run between Boston and San Diego in the current schedule, operated by Alaska Airlines, JetBlue Airways, 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 BOS to SAN depart?
Scheduled BOS to SAN nonstops in the next 7 days with service leave between 06:00 and 18:17, local time at Boston. 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 BOS to SAN?
Open the BOS to SAN 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 BOS to SAN 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