Denver to Boston (DEN-BOS): nonstop upgrade & award space

United Airlines, JetBlue Airways, and Delta Air Lines fly nonstop between Denver (DEN) and Boston (BOS), roughly 66 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, on every DEN 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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66
Nonstop flights a week
1,750 mi
Nonstop distance
Free
To get started

Denver to Boston flight schedule

Scheduled nonstop departures for DEN 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 Denver (DEN) to Boston (BOS)
Date Flight Airline Departs DEN Arrives BOS Duration Aircraft
UA 558United Airlines07:4513:474h 2m32Q
UA 1232United Airlines09:5115:564h 5m32Q
B6 494JetBlue Airways09:5415:574h 3m223
DL 499Delta Air Lines11:2517:294h 4m32Q
UA 597United Airlines13:5019:554h 5m32Q
B6 394JetBlue Airways13:5920:374h 38m320
UA 1912United Airlines16:0021:593h 59m738
UA 1356United Airlines17:4023:444h 4m32Q
UA 2671United Airlines17:4723:544h 7m32Q
UA 731United Airlines17:4723:544h 7m32Q
B6 994JetBlue Airways23:3705:303h 53m223
UA 558United Airlines07:4513:464h 1m7M8
UA 1232United Airlines09:5115:564h 5m32Q
DL 499Delta Air Lines11:2517:294h 4m32Q
B6 394JetBlue Airways12:4018:564h 16m223
UA 597United Airlines13:5019:554h 5m32Q
UA 1912United Airlines16:0021:593h 59m738
UA 1356United Airlines17:4023:444h 4m32Q
UA 2671United Airlines17:4723:544h 7m32Q
UA 731United Airlines17:4723:544h 7m32Q
UA 2656United Airlines23:5905:594h7M8
UA 558United Airlines07:4513:474h 2m32Q
UA 1232United Airlines09:5115:564h 5m32Q
DL 499Delta Air Lines11:2517:294h 4m32Q
B6 394JetBlue Airways12:4018:564h 16m223
UA 597United Airlines13:5019:554h 5m32Q
UA 1912United Airlines16:0021:593h 59m738
UA 2798United Airlines16:0322:064h 3m738
UA 1356United Airlines17:4023:444h 4m32Q
UA 2671United Airlines17:4723:544h 7m32Q
UA 731United Airlines17:4723:544h 7m32Q
UA 2656United Airlines23:5905:594h7M8
UA 558United Airlines07:4513:474h 2m32Q
UA 1232United Airlines09:5115:564h 5m32Q
DL 499Delta Air Lines11:2517:294h 4m32Q
B6 394JetBlue Airways12:4018:564h 16m223
UA 597United Airlines13:5019:554h 5m32Q
UA 1912United Airlines16:0021:593h 59m738
UA 2798United Airlines16:0322:064h 3m738
UA 1356United Airlines17:4023:444h 4m32Q

Showing the first 40 of 69 scheduled DEN to BOS departures across the next 7 days with service. Every remaining date is 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 DEN to BOS date on the interactive map

Confirmed upgrade & award space on DEN to BOS departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Denver 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 DEN 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 DEN to BOS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Denver to Boston nonstop

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

See DEN to BOS on the interactive map →

Frequently asked questions about DEN to BOS

How far is Boston from Denver?
DEN to BOS covers about 1,750 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 DEN to BOS?
United Airlines, JetBlue Airways, and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, and award seats on JetBlue Airways.
How many flights a week are there from DEN to BOS?
About 66 nonstop flights a week run between Denver and Boston in the current schedule, operated by United 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 DEN to BOS depart?
Scheduled DEN to BOS nonstops in the next 7 days with service leave between 07:45 and 23:59, local time at Denver. 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 DEN to BOS?
Open the DEN to BOS route on the interactive map or the matrix to see confirmed upgrade and award space by date on 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 DEN 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