Home / Routes / KDEN → KONT4,296 scheduled
DEN ONT2h 13m

The route from Denver International Airport (KDEN) in Denver to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 4,296 scheduled flights on this route across 24 carriers. The most active operator is SWA (SWA). Average block time is 2h 7m. Departures average 32 minutes off schedule, with 54% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
4,296
last 529 days
ADS-B observed
669
Airlines
24
Avg dep delay
32m
Late >15 min
54.5%
Cancel rate
0.47%

Airlines on this route

14 carriers · scheduled

Southwest Airlines Co
SWA · WN · 1,669 flights · avg 37m delay · 66.3% late
13 cancelled
United Airlines
UAL · UA · 1,110 flights · avg 34m delay · 59.8% late
2 cancelled
Frontier Airlines
FFT · F9 · 749 flights · avg 28m delay · 38.7% late
5 cancelled
United Parcel Service Company
UPS · 5X · 655 flights · avg 19m delay · 34.2% late
Air Transport International
ATN · 8C · 68 flights · avg 43m delay · 80.9% 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
· UPS · 2 flights · avg 0m delay · 0.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg 208m delay · 100.0% late
Alaska Airlines
ASA · AS · 1 flights · avg —m delay · 0.0% 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
Scott Aviation
SIS · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

FFT2711N668FRA21N
2026-10-11 04:24  →  2026-10-11 06:52  ·  2h 27m
Replay
UAL430N37440B39M
2026-10-10 17:23  →  2026-10-10 19:37  ·  2h 14m
Replay
FFT2907N635FRA21N
2026-10-10 15:12  →  2026-10-10 17:29  ·  2h 16m
Replay
SWA2513N8824QB38M
2026-10-10 14:25  →  2026-10-10 17:16  ·  2h 50m
Replay
FFT1261N324FRA20N
2026-10-10 04:34  →  2026-10-10 06:48  ·  2h 13m
Replay
SWA1713N209WNB737
2026-10-10 03:43  →  2026-10-10 06:33  ·  2h 50m
Replay
SWA1827N8748QB38M
2026-10-10 01:49  →  2026-10-10 04:12  ·  2h 22m
Replay
UAL2028N38459B739
2026-10-10 01:43  →  2026-10-10 04:11  ·  2h 27m
Replay
SWA2947N241WNB737
2026-10-09 18:48  →  2026-10-09 21:00  ·  2h 12m
Replay
UAL430N77579B39M
2026-10-09 17:33  →  2026-10-09 19:56  ·  2h 23m
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
23%
of flights
BOEING Boeing 737 MAX 8
B38M
23%
of flights
BOEING Boeing 767-300
B763
14%
of flights
AIRBUS Airbus A320 Neo
A20N
13%
of flights
BOEING Boeing 737 MAX 9
B39M
6%
of flights
BOEING Boeing 737-700
B737
6%
of flights
BOEING Boeing 757-200
B752
5%
of flights
AIRBUS Airbus A321 Neo
A21N
3%
of flights

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View KONT → KDEN