Home / Routes / KSFO → KONT1,515 scheduled
SFO ONT1h 23m

The route from San Francisco International Airport (KSFO) in San Francisco to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 1,515 scheduled flights on this route across 18 carriers. The most active operator is UAL (UAL). Average block time is 1h 20m. Departures average 32 minutes off schedule, with 53% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
1,515
last 473 days
ADS-B observed
300
Airlines
18
Avg dep delay
32m
Late >15 min
53.1%
Cancel rate
0.59%

Airlines on this route

14 carriers · scheduled

United Airlines
UAL · UA · 1,264 flights · avg 28m delay · 53.7% late
5 cancelled
Frontier Airlines
FFT · F9 · 208 flights · avg 65m delay · 54.8% late
4 cancelled
Netjets Aviation
EJA · 1I · 16 flights · avg 12m delay · 12.5% late
Flexjet
LXJ · LXJ · 5 flights · avg 14m delay · 20.0% late
Corporate Air Travel
NJZ · 5 flights · avg 15m delay · 20.0% late
Air Transport International
ATN · 8C · 4 flights · avg 32m delay · 100.0% late
West Coast Charters
WCC · 3 flights · avg 45m delay · 66.7% late
Vja
VJA · 2 flights · avg 2m delay · 0.0% late
Alaska Airlines
ASA · AS · 2 flights · avg —m delay · 0.0% late
Southwest Airlines Co
SWA · WN · 2 flights · avg 84m delay · 50.0% late
American Jet International
SCM · 1 flights · avg 10m delay · 0.0% late
Sky West Aviation
SKW · OO · 1 flights · avg 8m delay · 0.0% late
Summit Aviation
YEL · 1 flights · avg 10m delay · 0.0% late
Lgm Enterprises
JRE · 1 flights · avg 91m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL2661N37449B39M
2026-08-16 17:32  →  2026-08-16 19:07  ·  1h 34m
Replay
FFT2678N230FRA320
2026-08-16 16:35  →  2026-08-16 17:45  ·  1h 10m
Replay
UAL2478N47462B39M
2026-08-16 01:22  →  2026-08-16 02:40  ·  1h 17m
Replay
UAL2661N17458B39M
2026-08-15 17:38  →  2026-08-15 19:03  ·  1h 24m
Replay
FFT2678N370FRA20N
2026-08-15 16:40  →  2026-08-15 18:00  ·  1h 20m
Replay
UAL8115N17407B39M
2026-08-15 02:50  →  2026-08-15 04:15  ·  1h 25m
Replay
UAL2619N68880B739
2026-08-14 23:28  →  2026-08-15 00:55  ·  1h 27m
Replay
SWA4108N8575ZB738
2026-08-14 19:28  →  2026-08-14 21:26  ·  1h 58m
Replay
UAL2661N77580B39M
2026-08-14 17:39  →  2026-08-14 19:06  ·  1h 26m
Replay
FFT2678N368FRA20N
2026-08-14 16:35  →  2026-08-14 17:50  ·  1h 15m
Replay

Codeshare partnerships

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

sells UAL 1094
sells UAL 350
sells FFT 72
sells UAL 24
sells ASA 2
sells ASA 2
sells ASA 2

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
45%
of flights
AIRBUS Airbus A320 Neo
A20N
19%
of flights
EMBRAER Embraer 175 long wing
E75L
18%
of flights
CANADAIR canadair CRJ-700
CRJ7
4%
of flights
AIRBUS Airbus A320
A320
3%
of flights
BOEING Boeing 737-800
B738
3%
of flights
AIRBUS Airbus A321 Neo
A21N
1%
of flights
BOEING Boeing 737-900
B739
1%
of flights

Looking for the return flight?

View KONT → KSFO