Denver (DEN) to Boston (BOS) flights: who flies it

Denver to Boston flight schedule

Scheduled nonstop departures for DEN to BOS starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from Denver (DEN) to Boston (BOS)
Date	Flight	Airline	Departs DEN	Arrives BOS	Duration	Aircraft
Thu, Oct 22	UA 558	United Airlines	07:45	13:47	4h 2m	Airbus A321neo family
Thu, Oct 22	UA 1232	United Airlines	09:51	15:56	4h 5m	Airbus A321neo family
Thu, Oct 22	DL 499	Delta Air Lines	11:28	17:32	4h 4m	Airbus A321neo family
Thu, Oct 22	B6 394	JetBlue Airways	12:42	18:57	4h 15m	Airbus A220-300
Thu, Oct 22	UA 597	United Airlines	13:55	20:00	4h 5m	Airbus A321neo family
Thu, Oct 22	B6 994	JetBlue Airways	14:00	20:41	4h 41m	Airbus A220-300
Thu, Oct 22	UA 1912	United Airlines	15:45	21:49	4h 4m	Airbus A321neo family
Thu, Oct 22	UA 1356	United Airlines	17:52	23:59	4h 7m	Airbus A321neo family
Thu, Oct 22	UA 2656	United Airlines	23:59	06:00	4h 1m	Airbus A321neo family
Fri, Oct 23	UA 558	United Airlines	07:45	13:47	4h 2m	Airbus A321neo family
Fri, Oct 23	UA 1232	United Airlines	09:51	15:56	4h 5m	Airbus A321neo family
Fri, Oct 23	DL 499	Delta Air Lines	11:28	17:32	4h 4m	Airbus A321neo family
Fri, Oct 23	B6 394	JetBlue Airways	12:43	18:58	4h 15m	Airbus A220-300
Fri, Oct 23	B6 994	JetBlue Airways	13:53	20:27	4h 34m	Airbus A220-300
Fri, Oct 23	UA 597	United Airlines	13:55	20:00	4h 5m	Airbus A321neo family
Fri, Oct 23	UA 1912	United Airlines	15:45	21:49	4h 4m	Airbus A321neo family
Fri, Oct 23	UA 1356	United Airlines	17:52	23:59	4h 7m	Airbus A321neo family
Fri, Oct 23	UA 2656	United Airlines	23:59	06:00	4h 1m	Airbus A321neo family
Sat, Oct 24	UA 558	United Airlines	07:45	13:47	4h 2m	Airbus A321neo family
Sat, Oct 24	UA 1232	United Airlines	10:08	16:13	4h 5m	Airbus A321neo family
Sat, Oct 24	DL 499	Delta Air Lines	11:28	17:32	4h 4m	Airbus A321neo family
Sat, Oct 24	B6 394	JetBlue Airways	12:43	18:58	4h 15m	Airbus A220-300
Sat, Oct 24	UA 597	United Airlines	13:55	20:00	4h 5m	Airbus A321neo family
Sat, Oct 24	B6 994	JetBlue Airways	14:00	20:41	4h 41m	Airbus A220-300
Sat, Oct 24	UA 1356	United Airlines	17:52	23:59	4h 7m	Airbus A321neo family
Sun, Oct 25	UA 558	United Airlines	07:45	13:47	4h 2m	Airbus A321neo family
Sun, Oct 25	UA 1232	United Airlines	09:51	15:56	4h 5m	Airbus A321neo family
Sun, Oct 25	DL 499	Delta Air Lines	11:28	17:32	4h 4m	Airbus A321neo family
Sun, Oct 25	B6 394	JetBlue Airways	12:05	18:05	4h	Airbus A220-300
Sun, Oct 25	B6 994	JetBlue Airways	14:00	20:15	4h 15m	Airbus A220-300
Sun, Oct 25	UA 1846	United Airlines	14:00	19:54	3h 54m	Airbus A321neo family
Sun, Oct 25	UA 779	United Airlines	16:01	21:54	3h 53m	Boeing 737 MAX 9
Sun, Oct 25	UA 1356	United Airlines	17:52	23:59	4h 7m	Airbus A321neo family
Sun, Oct 25	UA 2656	United Airlines	23:59	06:00	4h 1m	Airbus A321neo family
Mon, Oct 26	UA 558	United Airlines	07:45	13:47	4h 2m	Airbus A321neo family
Mon, Oct 26	UA 1232	United Airlines	09:51	15:56	4h 5m	Airbus A321neo family
Mon, Oct 26	DL 499	Delta Air Lines	11:28	17:32	4h 4m	Airbus A321neo family
Mon, Oct 26	B6 394	JetBlue Airways	12:40	18:50	4h 10m	Airbus A220-300
Mon, Oct 26	UA 1846	United Airlines	13:45	19:39	3h 54m	Airbus A321neo family
Mon, Oct 26	B6 994	JetBlue Airways	14:00	20:15	4h 15m	Airbus A220-300

Showing the first 40 of 58 scheduled DEN to BOS departures across 7 days with service, starting October 22, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every DEN to BOS date on the interactive map

Aircraft on the Denver to Boston nonstop

In the schedule table on this page, United Airlines flies the Airbus A321neo family and the Boeing 737 MAX 9. JetBlue Airways flies the Airbus A220-300. Delta Air Lines flies the Airbus A321neo family. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

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.

In the 7 days to October 19, 2026, 2LNR checked award space on Denver to Boston departures from October 19 to November 1. JetBlue Airways had space open on 9 of 14 dates checked and Delta Air Lines on 12 of 14.

See real availability

Confirmed upgrade or award seats by date on the DEN to BOS departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're 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. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See DEN to BOS on the interactive map →

Frequently asked questions about DEN to BOS

How long is the flight from Denver (DEN) to Boston (BOS)?

Scheduled flight times from Denver (DEN) to Boston (BOS) run from 3h 53m to 4h 41m across the departures in the schedule table on this page. The nonstop covers about 1,750 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

Which airlines fly nonstop from DEN to BOS?

United Airlines, JetBlue Airways, and Delta Air Lines fly DEN to BOS 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 59 nonstop flights a week run between Denver (DEN) and Boston (BOS) 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.

Which flights operate DEN to BOS nonstop?

The schedule table on this page lists 11 flight numbers for DEN to BOS nonstops, including UA 558, UA 597, UA 1232, UA 1356, and UA 2656 on United Airlines; B6 394 and B6 994 on JetBlue Airways; and DL 499 on Delta Air Lines. The table lists each departure by date with its times 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.