The route from Seattle Tacoma International Airport (KSEA) in Seattle to St Louis Lambert International Airport (KSTL) in St Louis. SkyMeter tracks roughly 1,253 scheduled flights on this route across 10 carriers. The most active operator is ASA (ASA). Average block time is 3h 21m. Departures average 33 minutes off schedule, with 68% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.
Scheduled
1,253
last 543 days
ADS-B observed
213
Airlines
10
Avg dep delay
33m
Late >15 min
68.3%
Cancel rate
0.24%
Airlines on this route
5 carriers · scheduled
ASA
3 cancelled
Alaska Airlines
ASA · AS
· 1,077 flights
· avg 30m delay
· 66.7% late
SWA
Southwest Airlines Co
SWA · WN
· 173 flights
· avg 47m delay
· 78.0% late
SCX
Mn Airlines D/B/A Sun Country Airlines
SCX · SY
· 1 flights
· avg 41m delay
· 100.0% late
JTL
Jet Linx Aviation
JTL · JL
· 1 flights
· avg 74m delay
· 100.0% late
UAL
United Airlines
UAL · UA
· 1 flights
· avg 83m delay
· 100.0% late
Recent observed flights
From ADS-B trace data
Codeshare partnerships
Marketing carriers selling tickets on this route under their own flight numbers
AA
sells
AS
ASA
766
HA
sells
AS
ASA
761
TN
sells
AS
ASA
668
JL
sells
AS
ASA
273
QR
sells
AS
ASA
256
SQ
sells
AS
ASA
106
AY
sells
AS
ASA
68
Typical aircraft
Observed via ADS-B on this route
BOEING Boeing 737-900
B739
40%
of flights
BOEING Boeing 737 MAX 9
B39M
31%
of flights
BOEING Boeing 737-800
B738
10%
of flights
BOEING Boeing 737-700
B737
9%
of flights
BOEING Boeing 737 MAX 8
B38M
6%
of flights
AIRBUS-BOMBARDIER Airbus A220-300
BCS3
0%
of flights
Looking for the return flight?
View KSTL → KSEA