Home / Routes / KONT → KSFO1,379 scheduled
ONT SFO1h 28m

The route from Ontario International Airport (KONT) in Ontario to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 1,379 scheduled flights on this route across 16 carriers. The most active operator is UAL (UAL). Average block time is 1h 26m. Departures average 31 minutes off schedule, with 50% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
1,379
last 445 days
ADS-B observed
327
Airlines
16
Avg dep delay
31m
Late >15 min
50.2%
Cancel rate
0.58%

Airlines on this route

15 carriers · scheduled

United Airlines
UAL · UA · 1,153 flights · avg 29m delay · 51.2% late
6 cancelled
Frontier Airlines
FFT · F9 · 180 flights · avg 43m delay · 49.4% late
2 cancelled
Netjets Aviation
EJA · 1I · 11 flights · avg 39m delay · 18.2% late
Flexjet
LXJ · LXJ · 8 flights · avg 17m delay · 37.5% late
Air Transport International
ATN · 8C · 6 flights · avg 45m delay · 50.0% 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
Vja
VJA · 1 flights · avg 10m delay · 0.0% late
American Jet International
SCM · 1 flights · avg —m delay · 0.0% late
Corporate Flight International Dba Thrive Aviation
TIV · 1 flights · avg 28m delay · 100.0% late
Tcn
TCN · 1 flights · avg 2m delay · 0.0% late
· LN · 1 flights · avg 0m delay · 0.0% late

Recent observed flights

From ADS-B trace data

FFT1159N391FRA20N
2026-07-19 17:05  →  2026-07-19 18:19  ·  1h 14m
Replay
UAL2363N47412B39M
2026-07-19 12:50  →  2026-07-19 14:06  ·  1h 15m
Replay
SKW5433N608UXE75L
2026-07-19 01:16  →  2026-07-19 02:27  ·  1h 11m
Replay
FFT1159N391FRA20N
2026-07-18 15:19  →  2026-07-18 17:13  ·  1h 53m
Replay
UAL2363N37445B39M
2026-07-18 14:18  →  2026-07-18 15:18  ·  1h 0m
Replay
UAL1375N37287B738
2026-07-17 21:08  →  2026-07-17 22:33  ·  1h 24m
Replay
FFT1159N391FRA20N
2026-07-17 16:56  →  2026-07-17 18:32  ·  1h 36m
Replay
UAL2363N47517B39M
2026-07-17 12:56  →  2026-07-17 14:08  ·  1h 11m
Replay
SKW5624N780SKCRJ7
2026-07-17 02:07  →  2026-07-17 03:34  ·  1h 27m
Replay
UAL1375N76265B738
2026-07-16 21:08  →  2026-07-16 22:53  ·  1h 45m
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
26%
of flights
BOEING Boeing 737-800
B738
18%
of flights
AIRBUS Airbus A320 Neo
A20N
15%
of flights
EMBRAER Embraer 175 long wing
E75L
13%
of flights
AIRBUS Airbus A320
A320
7%
of flights
BOEING Boeing 737-900
B739
5%
of flights
CANADAIR canadair CRJ-700
CRJ7
4%
of flights
AIRBUS Airbus A321 Neo
A21N
3%
of flights

Looking for the return flight?

View KSFO → KONT