Home / Routes / KIAD → KDEN4,099 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 4,099 scheduled flights on this route across 9 carriers. The most active operator is UAL (UAL). Average block time is 3h 40m. Departures average 29 minutes off schedule, with 52% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
4,099
last 480 days
ADS-B observed
683
Airlines
9
Avg dep delay
29m
Late >15 min
52.1%
Cancel rate
0.49%

Airlines on this route

13 carriers · scheduled

United Airlines
UAL · UA · 3,236 flights · avg 30m delay · 52.6% late
12 cancelled
Southwest Airlines Co
SWA · WN · 848 flights · avg 26m delay · 50.2% late
8 cancelled
· VJA · 3 flights · avg 0m delay · 0.0% late
Netjets Aviation
EJA · 1I · 2 flights · avg 5m 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

UAL1126N34562A21N
2026-08-26 18:40  →  2026-08-26 22:14  ·  3h 34m
Replay
UAL1587N36469B739
2026-08-26 16:50  →  2026-08-26 20:41  ·  3h 51m
Replay
UAL1865N57868B753
2026-08-26 16:07  →  2026-08-26 19:52  ·  3h 45m
Replay
UAL1882N14548A21N
2026-08-26 12:09  →  2026-08-26 15:49  ·  3h 39m
Replay
UAL495N24555A21N
2026-08-26 02:20  →  2026-08-26 06:17  ·  3h 56m
Replay
UAL1490N17411B39M
2026-08-25 20:11  →  2026-08-25 23:44  ·  3h 33m
Replay
UAL1126N37474B739
2026-08-25 18:54  →  2026-08-25 22:35  ·  3h 40m
Replay
UAL1587N14503A21N
2026-08-25 16:47  →  2026-08-25 20:19  ·  3h 32m
Replay
UAL1865N56859B753
2026-08-25 14:09  →  2026-08-25 17:45  ·  3h 35m
Replay
UAL1882N94556A21N
2026-08-25 12:11  →  2026-08-25 15:44  ·  3h 33m
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
45%
of flights
BOEING Boeing 737-900
B739
30%
of flights
BOEING Boeing 757-300
B753
18%
of flights
BOEING Boeing 737 MAX 9
B39M
3%
of flights
BOEING Boeing 737 MAX 8
B38M
1%
of flights
BOEING Boeing 737-800
B738
0%
of flights
ST75
ST75
0%
of flights
BOEING Boeing 757-200
B752
0%
of flights

Looking for the return flight?

View KDEN → KIAD