Home / Routes / KIAD → KDEN4,666 scheduled
IAD DEN3h 44m

The route from Washington Dulles International Airport (KIAD) in Washington, DC to Denver International Airport (KDEN) in Denver. SkyMeter tracks roughly 4,666 scheduled flights on this route across 10 carriers. The most active operator is UAL (UAL). Average block time is 3h 25m. Departures average 28 minutes off schedule, with 48% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
4,666
last 529 days
ADS-B observed
579
Airlines
10
Avg dep delay
28m
Late >15 min
48.0%
Cancel rate
0.43%

Airlines on this route

14 carriers · scheduled

United Airlines
UAL · UA · 3,799 flights · avg 29m delay · 47.7% late
12 cancelled
Southwest Airlines Co
SWA · WN · 848 flights · avg 26m delay · 50.2% late
8 cancelled
Netjets Aviation
EJA · 1I · 3 flights · avg 5m delay · 0.0% late
· VJA · 3 flights · avg 0m delay · 0.0% late
· KPO · 3 flights · avg 0m delay · 0.0% late
Flexjet
LXJ · LXJ · 2 flights · avg 175m delay · 50.0% late
Mn Airlines D/B/A Sun Country Airlines
SCX · SY · 1 flights · avg —m delay · 0.0% late
Breeze Airways
MXY · MX · 1 flights · avg 10m delay · 0.0% late
Frontier Airlines
FFT · F9 · 1 flights · avg 54m delay · 100.0% late
Air Canada
ACA · AC · 1 flights · avg —m delay · 0.0% late
Executive Jet Management
EJM · EJM · 1 flights · avg 60m delay · 100.0% late
German Air Force
GAF · 1 flights · avg 19m delay · 100.0% late
Delta Air Lines
DAL · DL · 1 flights · avg —m delay · 0.0% late
Superior Transportation Associates - Dba Stajets
KFB · 1 flights · avg 17m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL1865N66848B739
2026-10-12 14:03  →  2026-10-12 17:49  ·  3h 45m
Replay
UAL797N44550A21N
2026-10-11 12:12  →  2026-10-11 15:47  ·  3h 35m
Replay
UAL395N77572B39M
2026-10-10 20:04  →  2026-10-10 23:42  ·  3h 37m
Replay
UAL1126N44550A21N
2026-10-10 18:40  →  2026-10-10 22:05  ·  3h 24m
Replay
UAL1587N27474B39M
2026-10-10 16:42  →  2026-10-10 20:28  ·  3h 46m
Replay
UAL1865N37542B39M
2026-10-10 14:04  →  2026-10-10 17:34  ·  3h 30m
Replay
UAL797N34551A21N
2026-10-10 12:10  →  2026-10-10 15:34  ·  3h 24m
Replay
UAL495N68807B739
2026-10-10 02:51  →  2026-10-10 06:18  ·  3h 27m
Replay
UAL599N75851B753
2026-10-09 21:24  →  2026-10-10 01:26  ·  4h 1m
Replay
UAL395N37422B739
2026-10-09 20:09  →  2026-10-09 23:46  ·  3h 37m
Replay

Codeshare partnerships

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

sells UAL 2608
sells UAL 719
sells UAL 602
sells UAL 355
sells UAL 319
sells UAL 71
sells UAL 1
sells UAL 1

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A321 Neo
A21N
48%
of flights
BOEING Boeing 737-900
B739
25%
of flights
BOEING Boeing 757-300
B753
17%
of flights
BOEING Boeing 737 MAX 9
B39M
5%
of flights
ST75
ST75
0%
of flights
BOEING Boeing 737 MAX 8
B38M
0%
of flights
BOEING Boeing 777-200
B772
0%
of flights
EMBRAER Embraer Phenom 300
E55P
0%
of flights

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