Home / Routes / KSTL → KBOS1,713 scheduled
STL BOS2h 22m

The route from St Louis Lambert International Airport (KSTL) in St Louis to General Edward Lawrence Logan International Airport (KBOS) in Boston. SkyMeter tracks roughly 1,713 scheduled flights on this route across 16 carriers. The most active operator is SWA (SWA). Average block time is 2h 32m. Departures average 29 minutes off schedule, with 45% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
1,713
last 445 days
ADS-B observed
290
Airlines
16
Avg dep delay
29m
Late >15 min
45.4%
Cancel rate
1.69%

Airlines on this route

11 carriers · scheduled

Southwest Airlines Co
SWA · WN · 988 flights · avg 31m delay · 53.8% late
16 cancelled
American Airlines
AAL · AA · 692 flights · avg 26m delay · 33.7% late
13 cancelled
Flexjet
LXJ · LXJ · 13 flights · avg 30m delay · 53.8% late
Netjets Aviation
EJA · 1I · 10 flights · avg 7m delay · 0.0% late
Delta Air Lines
DAL · DL · 3 flights · avg 50m delay · 66.7% late
Executive Jet Management
EJM · EJM · 2 flights · avg 14m delay · 0.0% late
Spirit Jets
SJJ · 1 flights · avg —m delay · 0.0% late
Envoy Air
ENY · MQ · 1 flights · avg 27m delay · 100.0% late
Republic Airlines
RPA · YX · 1 flights · avg 48m delay · 100.0% late
Summit Aviation
YEL · 1 flights · avg —m delay · 0.0% late
United Airlines
UAL · UA · 1 flights · avg 48m delay · 100.0% late

Recent observed flights

From ADS-B trace data

SWA3891N8947QB38M
2026-07-19 15:45  →  2026-07-19 18:08  ·  2h 23m
Replay
SWA3892N8557QB738
2026-07-18 23:42  →  2026-07-19 02:10  ·  2h 27m
Replay
RPA4678N133HQE75L
2026-07-18 21:52  →  2026-07-19 00:29  ·  2h 36m
Replay
SWA4724N229WNB737
2026-07-18 01:02  →  2026-07-18 03:27  ·  2h 25m
Replay
RPA4678N423YXE75L
2026-07-18 00:51  →  2026-07-18 03:19  ·  2h 27m
Replay
RPA4678N428YXE75L
2026-07-17 01:12  →  2026-07-17 03:45  ·  2h 32m
Replay
ENY3814N739AEE170
2026-07-16 14:40  →  2026-07-16 17:03  ·  2h 23m
Replay
RPA4678N404YXE75L
2026-07-16 00:44  →  2026-07-16 03:11  ·  2h 26m
Replay
RPA4678N416YXE75L
2026-07-15 00:40  →  2026-07-15 03:05  ·  2h 25m
Replay
SWA3892N8629AB738
2026-07-14 19:19  →  2026-07-14 21:45  ·  2h 25m
Replay

Codeshare partnerships

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

sells AAL 453
sells AAL 375
sells AAL 291
sells DAL 1
sells DAL 1

Typical aircraft

Observed via ADS-B on this route

EMBRAER Embraer 175 long wing
E75L
46%
of flights
BOEING Boeing 737 MAX 8
B38M
25%
of flights
BOEING Boeing 737-800
B738
17%
of flights
BOEING Boeing 737-700
B737
7%
of flights
BOMBARDIER Bombardier Challenger 350
CL35
0%
of flights
GULFSTREAM AEROSPACE Gulfstream G650
GLF6
0%
of flights
CESSNA Cessna Citation Sovereign
C680
0%
of flights
GULFSTREAM AEROSPACE Gulfstream V
GLF5
0%
of flights

Looking for the return flight?

View KBOS → KSTL