Home / Routes / KSEA → KONT2,706 scheduled
SEA ONT2h 23m

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Ontario International Airport (KONT) in Ontario. SkyMeter tracks roughly 2,706 scheduled flights on this route across 14 carriers. The most active operator is ASA (ASA). Average block time is 2h 40m. Departures average 30 minutes off schedule, with 66% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
2,706
last 431 days
ADS-B observed
591
Airlines
14
Avg dep delay
30m
Late >15 min
66.4%
Cancel rate
1.07%

Airlines on this route

9 carriers · scheduled

Alaska Airlines
ASA · AS · 1,313 flights · avg 33m delay · 69.6% late
24 cancelled
Delta Air Lines
DAL · DL · 1,162 flights · avg 25m delay · 62.9% late
4 cancelled
Frontier Airlines
FFT · F9 · 193 flights · avg 41m delay · 72.0% late
1 cancelled
Air Transport International
ATN · 8C · 18 flights · avg 41m delay · 61.1% late
Concesionaria Vuela Compania De Aviacion S.a. De C.v
VOI · Y4 · 9 flights · avg 10m delay · 0.0% late
Sunset Aviation
TWY · 7 flights · avg 26m delay · 14.3% late
Sky West Aviation
SKW · OO · 2 flights · avg 11m delay · 0.0% late
United Parcel Service Company
UPS · 5X · 1 flights · avg 130m delay · 100.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg 21m delay · 100.0% late

Recent observed flights

From ADS-B trace data

ASA571N964AKB39M
2026-07-05 20:51  →  2026-07-05 23:30  ·  2h 39m
Replay
FFT2276N633FRA21N
2026-07-05 18:53  →  2026-07-05 21:40  ·  2h 46m
Replay
ASA1364N468ASB739
2026-07-05 15:30  →  2026-07-05 18:15  ·  2h 44m
Replay
SKW3884N283SYE75L
2026-07-05 02:54  →  2026-07-05 05:39  ·  2h 45m
Replay
ASA592N942AKB39M
2026-07-05 01:23  →  2026-07-05 03:47  ·  2h 23m
Replay
FFT2276N654FRA21N
2026-07-04 18:24  →  2026-07-04 21:34  ·  3h 10m
Replay
ASA565N423ASB739
2026-07-04 17:14  →  2026-07-04 19:53  ·  2h 39m
Replay
ASA1364N815AKB38M
2026-07-04 15:47  →  2026-07-04 18:15  ·  2h 28m
Replay
SKW4070N294SYE75L
2026-07-04 15:16  →  2026-07-04 18:05  ·  2h 49m
Replay
SKW3884N292SYE75L
2026-07-04 03:59  →  2026-07-04 06:17  ·  2h 17m
Replay

Codeshare partnerships

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

sells ASA 1236
sells DAL 663
sells DAL 635
sells ASA 554
sells DAL 399
sells DAL 369
sells ASA 352
sells FFT 170
sells DAL 152
sells DAL 15
sells ASA 1

Typical aircraft

Observed via ADS-B on this route

EMBRAER Embraer 175 long wing
E75L
43%
of flights
BOEING Boeing 737-900
B739
19%
of flights
BOEING Boeing 737 MAX 9
B39M
18%
of flights
BOEING Boeing 737-800
B738
5%
of flights
AIRBUS Airbus A321 Neo
A21N
5%
of flights
BOEING Boeing 737 MAX 8
B38M
3%
of flights
BOEING Boeing 737-700
B737
2%
of flights
AIRBUS Airbus A321
A321
0%
of flights

Looking for the return flight?

View KONT → KSEA