Home / Routes / KONT → KSFO1,852 scheduled
ONT SFO1h 18m

The route from Ontario International Airport (KONT) in Ontario to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 1,852 scheduled flights on this route across 25 carriers. The most active operator is UAL (UAL). Average block time is 1h 8m. Departures average 32 minutes off schedule, with 42% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
1,852
last 543 days
ADS-B observed
250
Airlines
25
Avg dep delay
32m
Late >15 min
42.0%
Cancel rate
0.43%

Airlines on this route

20 carriers · scheduled

United Airlines
UAL · UA · 1,531 flights · avg 30m delay · 42.8% late
6 cancelled
Frontier Airlines
FFT · F9 · 257 flights · avg 45m delay · 42.4% late
2 cancelled
Netjets Aviation
EJA · 1I · 18 flights · avg 24m delay · 11.1% late
Flexjet
LXJ · LXJ · 10 flights · avg 17m delay · 30.0% late
Air Transport International
ATN · 8C · 8 flights · avg 45m delay · 37.5% late
Corporate Air Travel
NJZ · 6 flights · avg 28m delay · 33.3% late
Wup
WUP · 3 flights · avg 10m delay · 0.0% late
Delta Air Lines
DAL · DL · 3 flights · avg 10m delay · 0.0% late
Alaska Airlines
ASA · AS · 2 flights · avg 350m delay · 50.0% late
West Coast Charters
WCC · 2 flights · avg 27m delay · 50.0% late
Scott Aviation
SIS · SIS · 2 flights · avg —m delay · 0.0% late
· N8 · 2 flights · avg 0m delay · 0.0% late
Vja
VJA · VJA · 1 flights · avg —m delay · 0.0% late
Vja
VJA · 1 flights · avg 10m delay · 0.0% late
American Jet International
SCM · 1 flights · avg —m delay · 0.0% late

Recent observed flights

From ADS-B trace data

EJA425N425QSGLF4
2026-10-26 19:59  →  2026-10-26 21:02  ·  1h 3m
Replay
SKW5577N125SYE75L
2026-10-25 23:35  →  2026-10-26 00:44  ·  1h 9m
Replay
UAL432N811UAA319
2026-10-25 16:34  →  2026-10-25 17:39  ·  1h 4m
Replay
UAL2363N472UAA320
2026-10-25 12:54  →  2026-10-25 14:08  ·  1h 13m
Replay
SKW5483N120SYE75L
2026-10-24 23:07  →  2026-10-25 00:21  ·  1h 14m
Replay
UAL1375N27539B39M
2026-10-24 20:59  →  2026-10-24 22:19  ·  1h 20m
Replay
SKW5330N120SYE75L
2026-10-24 18:13  →  2026-10-24 19:43  ·  1h 29m
Replay
UAL1387N14219B738
2026-10-24 14:57  →  2026-10-24 16:25  ·  1h 27m
Replay
SKW5396N85373E75L
2026-10-24 02:18  →  2026-10-24 03:37  ·  1h 19m
Replay
SKW5483N167SYE75L
2026-10-23 22:58  →  2026-10-24 00:24  ·  1h 26m
Replay

Codeshare partnerships

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

sells UAL 1093
sells UAL 389
sells UAL 175
sells FFT 162

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
33%
of flights
EMBRAER Embraer 175 long wing
E75L
18%
of flights
AIRBUS Airbus A320 Neo
A20N
13%
of flights
BOEING Boeing 737-900
B739
11%
of flights
AIRBUS Airbus A319
A319
7%
of flights
BOEING Boeing 737-800
B738
5%
of flights
AIRBUS Airbus A320
A320
4%
of flights
BOEING Boeing 737 MAX 8
B38M
2%
of flights

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