SWA1991 is operated by SOUTHWEST AIRLINES CO between Phoenix Sky Harbor International Airport (KPHX) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 56m. SkyMeter has observed 56 legs of this flight number via ADS-B.

✈
FLIGHTS
56
last 90 days
⏱
AVG DURATION
1h 56m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
13 / 3
city pairs · airframes
⚠
INCIDENT RATE
16.1%
9 flagged

Routes flown

By count · last 90 days

7
KPHX → KDEN
17
avg 1h 33m · Phoenix Sky Harbor → Denver
TA92 → KPHX
8
avg 2h 36m · Rowan Heliport → Phoenix Sky Harbor
KHOU → KPHX
8
avg 2h 26m · William P Hobby → Phoenix Sky Harbor
KPHX → KSFO
5
avg 2h 13m · Phoenix Sky Harbor → San Francisco
24TE → KPHX
4
avg 2h 28m · Police Helicopter Patrol Heliport → Phoenix Sky Harbor
KHOU → KDEN
1
avg 4h 33m · William P Hobby → Denver
TS16 → KPHX
1
avg 2h 25m · Lewis Electric Apparatus Repair Inc Heliport → Phoenix Sky Harbor

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
62
B38M BOEING Boeing 737 MAX 8
6
B738 BOEING Boeing 737-800
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
9
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 SWA1991

30
N8320JBOEING Boeing 737-800
→
06/03/2026
2h 21m
No alerts
Replay Analysis
N966WNBOEING Boeing 737-700
→
06/02/2026
4h 33m
△ Unstable
Replay Analysis
N468WNBOEING Boeing 737-700
→
06/01/2026
1h 21m
No alerts
Replay Analysis
N468WNBOEING Boeing 737-700
→
05/31/2026
20m
No alerts
Replay Analysis
N468WNBOEING Boeing 737-700
→
05/31/2026
1h 42m
No alerts
Replay Analysis
N468WNBOEING Boeing 737-700
→
05/31/2026
2h 21m
No alerts
Replay Analysis
N7732ABOEING Boeing 737-700
→
05/31/2026
1h 39m
No alerts
Replay Analysis
N927WNBOEING Boeing 737-700
→
05/29/2026
6m
No alerts
Replay Analysis
N443WNBOEING Boeing 737-700
→
05/29/2026
1h 44m
No alerts
Replay Analysis
N969WNBOEING Boeing 737-700
→
05/29/2026
2h 25m
No alerts
Replay Analysis
N8788LBOEING Boeing 737 MAX 8
→
05/28/2026
2h 22m
△ Unstable
Replay Analysis
N7734HBOEING Boeing 737-700
→
05/26/2026
1h 37m
△ Unstable
Replay Analysis
N7823ABOEING Boeing 737-700
→
05/26/2026
2h 15m
No alerts
Replay Analysis
N7823ABOEING Boeing 737-700
→
05/25/2026
9m
No alerts
Replay Analysis
N7823ABOEING Boeing 737-700
→
05/25/2026
2h 24m
No alerts
Replay Analysis
N8768QBOEING Boeing 737 MAX 8
→
05/24/2026
2h 18m
No alerts
Replay Analysis
N7715EBOEING Boeing 737-700
→
05/24/2026
1h 28m
No alerts
Replay Analysis
N480WNBOEING Boeing 737-700
→
05/23/2026
1h 34m
No alerts
Replay Analysis
N480WNBOEING Boeing 737-700
→
05/23/2026
2h 24m
No alerts
Replay Analysis
N8866HBOEING Boeing 737 MAX 8
→
05/21/2026
2h 30m
No alerts
Replay Analysis
N220WNBOEING Boeing 737-700
→
05/18/2026
2h 36m
No alerts
Replay Analysis
N220WNBOEING Boeing 737-700
→
05/17/2026
5m
No alerts
Replay Analysis
N220WNBOEING Boeing 737-700
→
05/17/2026
17m
No alerts
Replay Analysis
N220WNBOEING Boeing 737-700
→
05/17/2026
3h 59m
No alerts
Replay Analysis
N220WNBOEING Boeing 737-700
→
05/17/2026
44m
No alerts
Replay Analysis
N967WNBOEING Boeing 737-700
→
05/17/2026
2h 24m
No alerts
Replay Analysis
N472WNBOEING Boeing 737-700
→
05/17/2026
1h 25m
△ Unstable
Replay Analysis
N7723EBOEING Boeing 737-700
→
05/16/2026
38m
△ Unstable
Replay Analysis
N460WNBOEING Boeing 737-700
→
05/15/2026
1h 39m
No alerts
Replay Analysis
N7732ABOEING Boeing 737-700
→
05/15/2026
2h 40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window