Home / Routes / KBOS → KSTL1,789 scheduled
BOS STL2h 43m

The route from General Edward Lawrence Logan International Airport (KBOS) in Boston to St Louis Lambert International Airport (KSTL) in St Louis. SkyMeter tracks roughly 1,789 scheduled flights on this route across 20 carriers. The most active operator is SWA (SWA). Average block time is 3h 2m. Departures average 34 minutes off schedule, with 55% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
1,789
last 466 days
ADS-B observed
365
Airlines
20
Avg dep delay
34m
Late >15 min
55.3%
Cancel rate
1.96%

Airlines on this route

12 carriers · scheduled

Southwest Airlines Co
SWA · WN · 1,033 flights · avg 37m delay · 60.4% late
14 cancelled
American Airlines
AAL · AA · 724 flights · avg 30m delay · 47.9% late
21 cancelled
Netjets Aviation
EJA · 1I · 9 flights · avg 60m delay · 44.4% late
Envoy Air
ENY · MQ · 9 flights · avg 22m delay · 44.4% late
Flexjet
LXJ · LXJ · 5 flights · avg 49m delay · 80.0% late
Delta Air Lines
DAL · DL · 2 flights · avg 56m delay · 100.0% late
United Airlines
UAL · UA · 2 flights · avg 22m delay · 50.0% late
Vja
VJA · 1 flights · avg 20m delay · 100.0% late
Spirit Jets
SJJ · 1 flights · avg —m delay · 0.0% late
Scj
SCJ · 1 flights · avg 123m delay · 100.0% late
Jet Linx Aviation
JTL · JL · 1 flights · avg —m delay · 0.0% late
Executive Flight Services
XSR · 1 flights · avg 33m delay · 100.0% late

Recent observed flights

From ADS-B trace data

SWA3044N8524ZB738
2026-08-14 17:51  →  2026-08-14 20:25  ·  2h 34m
Replay
ENY3546N240NNE75L
2026-08-14 11:19  →  2026-08-14 14:17  ·  2h 57m
Replay
SWA4968N8941QB38M
2026-08-14 09:04  →  2026-08-14 11:45  ·  2h 41m
Replay
SWA2076N8557QB738
2026-08-13 22:26  →  2026-08-14 01:10  ·  2h 44m
Replay
RPA4678N433YXE75L
2026-08-13 21:43  →  2026-08-14 00:33  ·  2h 50m
Replay
SWA3044N9011HB38M
2026-08-13 17:46  →  2026-08-13 20:16  ·  2h 29m
Replay
ENY3546N227NNE75L
2026-08-13 11:19  →  2026-08-13 14:06  ·  2h 47m
Replay
SWA4968N8683DB738
2026-08-13 09:01  →  2026-08-13 11:37  ·  2h 36m
Replay
SWA2550N8524ZB738
2026-08-12 17:11  →  2026-08-12 19:50  ·  2h 38m
Replay
ENY3546N230NNE75L
2026-08-12 11:21  →  2026-08-12 14:13  ·  2h 51m
Replay

Codeshare partnerships

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

sells AAL 194
sells AAL 31
sells UAL 2
sells AAL 1
sells AAL 1
sells AAL 1
sells AAL 1
sells AAL 1

Typical aircraft

Observed via ADS-B on this route

EMBRAER Embraer 175 long wing
E75L
35%
of flights
BOEING Boeing 737 MAX 8
B38M
29%
of flights
BOEING Boeing 737-800
B738
25%
of flights
BOEING Boeing 737-700
B737
7%
of flights
CANADAIR Canadair Challenger 600/601/604
CL60
0%
of flights
CESSNA Cessna Citation Latitude
C68A
0%
of flights
CESSNA Cessna Citation Longitude
C700
0%
of flights
EMBRAER Embraer 170
E170
0%
of flights

Looking for the return flight?

View KSTL → KBOS