SWA556 is operated by SOUTHWEST AIRLINES CO between St Louis Lambert International Airport (KSTL) and Chicago Midway International Airport (KMDW). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 24m. SkyMeter has observed 153 legs of this flight number via ADS-B.

✈
FLIGHTS
153
last 90 days
⏱
AVG DURATION
1h 24m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
30 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.3%
2 flagged

Routes flown

By count · last 90 days

10
KSTL → KMDW
28
avg 48m · St Louis Lambert → Chicago Midway
KMDW → KLGA
20
avg 1h 51m · Chicago Midway → La Guardia
KVPS → KSTL
15
avg 1h 26m · Destin-Ft Walton Beach → St Louis Lambert
KONT → KPHX
15
avg 1h 1m · Ontario → Phoenix Sky Harbor
KDEN → KSTL
8
avg 1h 52m · Denver → St Louis Lambert
KMYR → KSTL
6
avg 1h 45m · Myrtle Beach → St Louis Lambert
KBWI → KMYR
6
avg 1h 10m · Baltimore/Washington International Thurgood Marshall → Myrtle Beach
KOAK → KONT
6
avg 1h 25m · Metropolitan Oakland → Ontario
KLAS → KSTL
4
avg 3h 20m · McCarran → St Louis Lambert
KLAS → KMDW
4
avg 3h 40m · McCarran → Chicago Midway

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
149
B38M BOEING Boeing 737 MAX 8
29
B738 BOEING Boeing 737-800
23

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of SWA556

30
N8583ZBOEING Boeing 737-800
→
8/13/2026
3h 27m
No alerts
Replay Analysis
N8583ZBOEING Boeing 737-800
→
8/13/2026
30m
No alerts
Replay Analysis
N8765QBOEING Boeing 737 MAX 8
→
8/12/2026
21m
No alerts
Replay Analysis
N8765QBOEING Boeing 737 MAX 8
→
8/12/2026
9m
No alerts
Replay Analysis
N8699ABOEING Boeing 737-800
→
8/11/2026
3h 23m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
8/10/2026
3h 47m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
8/10/2026
11m
No alerts
Replay Analysis
N8502ZBOEING Boeing 737-800
→
8/9/2026
3h 6m
No alerts
Replay Analysis
N8502ZBOEING Boeing 737-800
→
8/9/2026
20m
No alerts
Replay Analysis
N7702ABOEING Boeing 737-700
→
8/8/2026
2h 32m
No alerts
Replay Analysis
N7702ABOEING Boeing 737-700
→
8/8/2026
52m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
8/7/2026
3h 36m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
8/7/2026
27m
No alerts
Replay Analysis
N8893LBOEING Boeing 737 MAX 8
→
8/7/2026
34m
No alerts
Replay Analysis
N8893LBOEING Boeing 737 MAX 8
→
8/6/2026
3h 14m
No alerts
Replay Analysis
N8893LBOEING Boeing 737 MAX 8
→
8/6/2026
3h 49m
No alerts
Replay Analysis
N8657BBOEING Boeing 737-800
→
8/5/2026
5m
No alerts
Replay Analysis
N8657BBOEING Boeing 737-800
→
8/5/2026
3h 36m
No alerts
Replay Analysis
N1801UBOEING Boeing 737 MAX 8
→
8/4/2026
3h 14m
No alerts
Replay Analysis
N1801UBOEING Boeing 737 MAX 8
→
8/4/2026
8m
No alerts
Replay Analysis
N460WNBOEING Boeing 737-700
→
8/4/2026
1h 47m
△ Low approach-stability score
Replay Analysis
N963WNBOEING Boeing 737-700
→
8/3/2026
42m
No alerts
Replay Analysis
N439WNBOEING Boeing 737-700
→
8/2/2026
47m
No alerts
Replay Analysis
N439WNBOEING Boeing 737-700
→
8/2/2026
1h 40m
No alerts
Replay Analysis
N570WNBOEING Boeing 737-700
→
8/1/2026
5m
No alerts
Replay Analysis
N570WNBOEING Boeing 737-700
→
7/31/2026
1h 33m
No alerts
Replay Analysis
N570WNBOEING Boeing 737-700
→
7/31/2026
1h 19m
No alerts
Replay Analysis
N203WNBOEING Boeing 737-700
→
7/31/2026
54m
No alerts
Replay Analysis
N203WNBOEING Boeing 737-700
→
7/30/2026
1h 49m
No alerts
Replay Analysis
N203WNBOEING Boeing 737-700
→
7/30/2026
54m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window