Home / Routes / KSFO → KONT1,587 scheduled
SFO ONT1h 26m

The route from San Francisco International Airport (KSFO) in San Francisco to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 1,587 scheduled flights on this route across 16 carriers. The most active operator is UAL (UAL). Average block time is 1h 20m. Departures average 31 minutes off schedule, with 51% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
1,587
last 494 days
ADS-B observed
309
Airlines
16
Avg dep delay
31m
Late >15 min
51.3%
Cancel rate
0.57%

Airlines on this route

14 carriers · scheduled

United Airlines
UAL · UA · 1,318 flights · avg 27m delay · 51.9% late
5 cancelled
Frontier Airlines
FFT · F9 · 222 flights · avg 61m delay · 52.7% late
4 cancelled
Netjets Aviation
EJA · 1I · 16 flights · avg 12m delay · 12.5% late
Air Transport International
ATN · 8C · 6 flights · avg 26m delay · 66.7% late
Flexjet
LXJ · LXJ · 6 flights · avg 11m delay · 16.7% late
Corporate Air Travel
NJZ · 5 flights · avg 15m delay · 20.0% late
Alaska Airlines
ASA · AS · 3 flights · avg 47m delay · 33.3% late
West Coast Charters
WCC · 3 flights · avg 45m delay · 66.7% late
Vja
VJA · 2 flights · avg 2m 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

UAL2661N47446B39M
2026-09-09 17:34  →  2026-09-09 19:26  ·  1h 52m
Replay
UAL2478N69839B739
2026-09-09 01:29  →  2026-09-09 02:49  ·  1h 19m
Replay
UAL670N47282B38M
2026-09-08 19:26  →  2026-09-08 21:23  ·  1h 57m
Replay
UAL2661N37542B39M
2026-09-08 17:30  →  2026-09-08 19:00  ·  1h 29m
Replay
UAL552N17455B39M
2026-09-08 04:19  →  2026-09-08 05:53  ·  1h 34m
Replay
UAL2478N69835B739
2026-09-08 01:26  →  2026-09-08 02:45  ·  1h 19m
Replay
UAL2619N36280B738
2026-09-08 00:00  →  2026-09-08 01:04  ·  1h 4m
Replay
UAL2661N17557B39M
2026-09-06 17:41  →  2026-09-06 19:12  ·  1h 30m
Replay
UAL2478N75433B739
2026-09-06 01:17  →  2026-09-06 02:38  ·  1h 20m
Replay
UAL411N76515B738
2026-09-05 21:02  →  2026-09-05 22:17  ·  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
11%
of flights
BOEING Boeing 737-900
B739
6%
of flights
BOEING Boeing 737-800
B738
5%
of flights
AIRBUS Airbus A320
A320
4%
of flights
CANADAIR canadair CRJ-700
CRJ7
4%
of flights
AIRBUS Airbus A321 Neo
A21N
1%
of flights

Looking for the return flight?

View KONT → KSFO