Home / Routes / KDEN → KONT3,455 scheduled
DEN ONT2h 15m

The route from Denver International Airport (KDEN) in Denver to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 3,455 scheduled flights on this route across 22 carriers. The most active operator is SWA (SWA). Average block time is 2h 17m. Departures average 33 minutes off schedule, with 59% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
3,455
last 431 days
ADS-B observed
734
Airlines
22
Avg dep delay
33m
Late >15 min
59.0%
Cancel rate
0.46%

Airlines on this route

12 carriers · scheduled

Southwest Airlines Co
SWA · WN · 1,319 flights · avg 37m delay · 72.2% late
12 cancelled
United Airlines
UAL · UA · 911 flights · avg 35m delay · 64.4% late
2 cancelled
United Parcel Service Company
UPS · 5X · 560 flights · avg 20m delay · 35.7% late
Frontier Airlines
FFT · F9 · 558 flights · avg 30m delay · 43.7% late
2 cancelled
Air Transport International
ATN · 8C · 65 flights · avg 43m delay · 81.5% late
Concesionaria Vuela Compania De Aviacion S.a. De C.v
VOI · Y4 · 19 flights · avg 10m delay · 0.0% late
Federal Expressoration
FDX · FX · 18 flights · avg 37m delay · 11.1% late
Sunset Aviation
TWY · 1 flights · avg —m delay · 0.0% late
Regency Air
RGY · 1 flights · avg 58m delay · 100.0% late
Ameristar Jet Charter
AJI · 7Z · 1 flights · avg 10m delay · 0.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg 208m delay · 100.0% late
Scott Aviation
SIS · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

SWA4080N8993QB38M
2026-07-05 17:54  →  2026-07-05 19:55  ·  2h 1m
Replay
UAL430N79279B738
2026-07-05 17:48  →  2026-07-05 19:48  ·  1h 59m
Replay
FFT2907N440FRA20N
2026-07-05 15:10  →  2026-07-05 17:10  ·  2h 0m
Replay
SWA1660N8882QB38M
2026-07-05 13:57  →  2026-07-05 16:07  ·  2h 10m
Replay
SWA1737N8709QB38M
2026-07-04 19:49  →  2026-07-04 21:45  ·  1h 55m
Replay
UAL430N26226B738
2026-07-04 17:30  →  2026-07-04 19:49  ·  2h 18m
Replay
FFT2907N324FRA20N
2026-07-04 14:45  →  2026-07-04 16:39  ·  1h 54m
Replay
SWA1660N8574ZB738
2026-07-04 14:02  →  2026-07-04 16:05  ·  2h 2m
Replay
FFT1261N383FRA20N
2026-07-04 04:39  →  2026-07-04 06:43  ·  2h 3m
Replay
SWA1663N8794QB38M
2026-07-04 03:30  →  2026-07-04 05:38  ·  2h 8m
Replay

Codeshare partnerships

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

sells UAL 877
sells FFT 518

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-800
B738
24%
of flights
BOEING Boeing 737 MAX 8
B38M
22%
of flights
AIRBUS Airbus A320 Neo
A20N
15%
of flights
BOEING Boeing 767-300
B763
10%
of flights
BOEING Boeing 737-700
B737
8%
of flights
AIRBUS Airbus A320
A320
7%
of flights
BOEING Boeing 757-200
B752
4%
of flights
BOEING Boeing 737 MAX 9
B39M
4%
of flights

Looking for the return flight?

View KONT → KDEN