Home / Routes / KSFO → KONT1,371 scheduled
SFO ONT1h 20m

The route from San Francisco International Airport (KSFO) in San Francisco to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 1,371 scheduled flights on this route across 17 carriers. The most active operator is UAL (UAL). Average block time is 1h 24m. Departures average 34 minutes off schedule, with 57% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
1,371
last 445 days
ADS-B observed
291
Airlines
17
Avg dep delay
34m
Late >15 min
57.3%
Cancel rate
0.66%

Airlines on this route

13 carriers · scheduled

United Airlines
UAL · UA · 1,152 flights · avg 29m delay · 57.8% late
5 cancelled
Frontier Airlines
FFT · F9 · 178 flights · avg 69m delay · 61.2% 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
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

UAL2661N17405B39M
2026-07-19 17:43  →  2026-07-19 19:27  ·  1h 44m
Replay
UAL552N47412B39M
2026-07-19 00:23  →  2026-07-19 02:02  ·  1h 39m
Replay
SKW5471N608UXE75L
2026-07-18 23:17  →  2026-07-19 00:36  ·  1h 18m
Replay
UAL2661N77598B39M
2026-07-18 17:45  →  2026-07-18 19:27  ·  1h 41m
Replay
FFT2678N390FRA20N
2026-07-18 16:05  →  2026-07-18 17:43  ·  1h 38m
Replay
UAL552N37445B39M
2026-07-18 04:09  →  2026-07-18 05:30  ·  1h 20m
Replay
UAL2661N17448B39M
2026-07-17 17:35  →  2026-07-17 19:29  ·  1h 54m
Replay
FFT2678N366FRA20N
2026-07-17 17:08  →  2026-07-17 18:23  ·  1h 14m
Replay
UAL552N47517B39M
2026-07-17 04:20  →  2026-07-17 05:52  ·  1h 31m
Replay
UAL2661N37537B39M
2026-07-16 17:40  →  2026-07-16 19:04  ·  1h 23m
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
16%
of flights
EMBRAER Embraer 175 long wing
E75L
13%
of flights
AIRBUS Airbus A320
A320
6%
of flights
BOEING Boeing 737-800
B738
4%
of flights
CANADAIR canadair CRJ-700
CRJ7
4%
of flights
BOEING Boeing 737-900
B739
4%
of flights
AIRBUS Airbus A319
A319
2%
of flights

Looking for the return flight?

View KONT → KSFO