Home / Routes / KBOS → KDEN4,417 scheduled
BOS DEN4h 18m

The route from General Edward Lawrence Logan International Airport (KBOS) in Boston to Denver International Airport (KDEN) in Denver. SkyMeter tracks roughly 4,417 scheduled flights on this route across 15 carriers. The most active operator is UAL (UAL). Average block time is 4h 26m. Departures average 29 minutes off schedule, with 55% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
4,417
last 466 days
ADS-B observed
909
Airlines
15
Avg dep delay
29m
Late >15 min
55.2%
Cancel rate
1.00%

Airlines on this route

10 carriers · scheduled

United Airlines
UAL · UA · 2,138 flights · avg 27m delay · 49.1% late
18 cancelled
Southwest Airlines Co
SWA · WN · 1,041 flights · avg 34m delay · 65.9% late
8 cancelled
Jetblue Airwaysoration
JBU · B6 · 782 flights · avg 30m delay · 53.3% late
12 cancelled
Delta Air Lines
DAL · DL · 449 flights · avg 26m delay · 63.0% 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

SWA947N8504GB738
2026-08-14 17:41  →  2026-08-14 21:41  ·  3h 59m
Replay
UAL414N17427B39M
2026-08-14 15:55  →  2026-08-14 20:23  ·  4h 27m
Replay
JBU793N516JBA320
2026-08-14 14:50  →  2026-08-14 19:16  ·  4h 25m
Replay
UAL662N14564A21N
2026-08-14 14:00  →  2026-08-14 18:25  ·  4h 25m
Replay
UAL647N24537A21N
2026-08-14 11:45  →  2026-08-14 16:19  ·  4h 34m
Replay
DAL499N605DNA21N
2026-08-14 11:41  →  2026-08-14 16:21  ·  4h 40m
Replay
JBU493N3251JBCS3
2026-08-14 10:23  →  2026-08-14 14:47  ·  4h 23m
Replay
SWA739N8871QB38M
2026-08-14 09:55  →  2026-08-14 14:11  ·  4h 15m
Replay
UAL1932N37555B39M
2026-08-14 00:56  →  2026-08-14 05:37  ·  4h 41m
Replay
JBU993N3244JBCS3
2026-08-14 00:00  →  2026-08-14 05:34  ·  5h 34m
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
39%
of flights
AIRBUS-BOMBARDIER Airbus A220-300
BCS3
20%
of flights
BOEING Boeing 737-900
B739
13%
of flights
BOEING Boeing 737-800
B738
12%
of flights
BOEING Boeing 737 MAX 8
B38M
10%
of flights
BOEING Boeing 737 MAX 9
B39M
1%
of flights
AIRBUS Airbus A320
A320
0%
of flights
BOEING Boeing 737-700
B737
0%
of flights

Looking for the return flight?

View KDEN → KBOS