Home / Routes / KBOS → KDEN4,064 scheduled
BOS DEN4h 23m

The route from General Edward Lawrence Logan International Airport (KBOS) in Boston to Denver International Airport (KDEN) in Denver. SkyMeter tracks roughly 4,064 scheduled flights on this route across 16 carriers. The most active operator is UAL (UAL). Average block time is 4h 36m. Departures average 28 minutes off schedule, with 57% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
4,064
last 431 days
ADS-B observed
823
Airlines
16
Avg dep delay
28m
Late >15 min
57.4%
Cancel rate
1.01%

Airlines on this route

10 carriers · scheduled

United Airlines
UAL · UA · 1,974 flights · avg 26m delay · 50.8% late
18 cancelled
Southwest Airlines Co
SWA · WN · 961 flights · avg 33m delay · 68.2% late
7 cancelled
Jetblue Airwaysoration
JBU · B6 · 698 flights · avg 29m delay · 56.6% late
10 cancelled
Delta Air Lines
DAL · DL · 424 flights · avg 25m delay · 65.6% late
6 cancelled
· UAL · 2 flights · avg 0m delay · 0.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg —m delay · 0.0% late
Air Canada
ACA · AC · 1 flights · avg 4m delay · 0.0% late
Baker Aviation
KOW · 1 flights · avg 10m delay · 0.0% late
Executive Jet Management
EJM · EJM · 1 flights · avg 6m delay · 0.0% late
Flexjet
LXJ · LXJ · 1 flights · avg 48m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL2297N14524A21N
2026-07-05 19:05  →  2026-07-05 23:44  ·  4h 38m
Replay
SWA1221N8992LB38M
2026-07-05 17:18  →  2026-07-05 21:23  ·  4h 4m
Replay
UAL414N47414B739
2026-07-05 16:52  →  2026-07-05 20:43  ·  3h 50m
Replay
UAL662N14559A21N
2026-07-05 13:48  →  2026-07-05 17:53  ·  4h 5m
Replay
DAL499N588DTA21N
2026-07-05 12:48  →  2026-07-05 16:56  ·  4h 7m
Replay
UAL647N14544A21N
2026-07-05 12:03  →  2026-07-05 16:26  ·  4h 22m
Replay
JBU493N3104JBCS3
2026-07-05 11:01  →  2026-07-05 15:06  ·  4h 5m
Replay
SWA4156N8935QB38M
2026-07-05 09:21  →  2026-07-05 13:18  ·  3h 57m
Replay
SWA742N8696EB738
2026-07-04 19:22  →  2026-07-04 23:53  ·  4h 31m
Replay
UAL414N75435B739
2026-07-04 16:41  →  2026-07-04 20:42  ·  4h 0m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells JBU 265
sells JBU 261
sells JBU 249
sells UAL 206
sells JBU 192
sells JBU 145
sells JBU 115
sells DAL 108
sells DAL 101
sells DAL 79
sells DAL 67
sells DAL 50
sells UAL 1
sells UAL 1

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A321 Neo
A21N
43%
of flights
AIRBUS-BOMBARDIER Airbus A220-300
BCS3
15%
of flights
BOEING Boeing 737-900
B739
13%
of flights
BOEING Boeing 737-800
B738
11%
of flights
BOEING Boeing 737 MAX 8
B38M
10%
of flights
AIRBUS Airbus A321
A321
1%
of flights
AIRBUS Airbus A320
A320
1%
of flights
BOEING Boeing 737 MAX 9
B39M
1%
of flights

Looking for the return flight?

View KDEN → KBOS