Home / Routes / KSTL → KBOS1,812 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 1,812 scheduled flights on this route across 16 carriers. The most active operator is SWA (SWA). Average block time is 2h 25m. Departures average 30 minutes off schedule, with 44% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
1,812
last 466 days
ADS-B observed
295
Airlines
16
Avg dep delay
30m
Late >15 min
43.8%
Cancel rate
2.15%

Airlines on this route

12 carriers · scheduled

Southwest Airlines Co
SWA · WN · 1,044 flights · avg 31m delay · 51.9% late
16 cancelled
American Airlines
AAL · AA · 723 flights · avg 27m delay · 32.9% late
23 cancelled
Flexjet
LXJ · LXJ · 13 flights · avg 30m delay · 53.8% late
Netjets Aviation
EJA · 1I · 10 flights · avg 7m delay · 0.0% late
Envoy Air
ENY · MQ · 10 flights · avg 24m delay · 20.0% late
Delta Air Lines
DAL · DL · 3 flights · avg 50m delay · 66.7% late
· VJA · 2 flights · avg —m delay · 0.0% late
Republic Airlines
RPA · YX · 2 flights · avg 48m delay · 50.0% 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
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

ENY3546N240NNE75L
2026-08-14 14:49  →  2026-08-14 17:19  ·  2h 30m
Replay
SWA4061N8655DB738
2026-08-14 11:48  →  2026-08-14 14:34  ·  2h 46m
Replay
RPA4678N433YXE75L
2026-08-14 00:59  →  2026-08-14 03:17  ·  2h 18m
Replay
SWA3808N8557QB738
2026-08-13 18:46  →  2026-08-13 21:12  ·  2h 26m
Replay
ENY3546N227NNE75L
2026-08-13 14:42  →  2026-08-13 17:05  ·  2h 23m
Replay
ENY3546N230NNE75L
2026-08-12 14:44  →  2026-08-12 17:12  ·  2h 28m
Replay
SWA982N8308KB738
2026-08-12 01:12  →  2026-08-12 03:24  ·  2h 12m
Replay
SWA2144N8682BB738
2026-08-11 18:24  →  2026-08-11 20:40  ·  2h 16m
Replay
SWA1538N8785LB38M
2026-08-11 15:23  →  2026-08-11 18:27  ·  3h 4m
Replay
RPA4678N406YXE75L
2026-08-11 02:50  →  2026-08-11 05:13  ·  2h 23m
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
44%
of flights
BOEING Boeing 737 MAX 8
B38M
26%
of flights
BOEING Boeing 737-800
B738
17%
of flights
BOEING Boeing 737-700
B737
8%
of flights
GULFSTREAM AEROSPACE Gulfstream V
GLF5
0%
of flights
BOMBARDIER Bombardier Challenger 350
CL35
0%
of flights
BOMBARDIER Bombardier BD-700 Global Express
GLEX
0%
of flights
CESSNA Cessna Citation Sovereign
C680
0%
of flights

Looking for the return flight?

View KBOS → KSTL