SKW3991

DELTA AIR LINES INC · SEA → SFO

SKW3991 is operated by DELTA AIR LINES INC between Seattle Tacoma International Airport (KSEA) and San Francisco International Airport (KSFO). The flight is most often flown by a EMBRAER Embraer 175 long wing. Typical block time is 2h 4m. SkyMeter has observed 164 legs of this flight number via ADS-B.

✈
FLIGHTS
164
last 90 days
⏱
AVG DURATION
2h 4m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
7 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KSEA → KSFO
80
avg 2h 5m · Seattle Tacoma → San Francisco
KSFO → KSEA
71
avg 2h 1m · San Francisco → Seattle Tacoma
KHAF → KSEA
9
avg 2h 7m · Half Moon Bay → Seattle Tacoma
KSFO → KRNT
1
avg 2h 30m · San Francisco → Renton

Aircraft types

Equipment used on this number

1
E75L EMBRAER Embraer 175 long wing
170

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 SKW3991

30
N327SYEMBRAER Embraer 175 long wing
→
07/05/2026
1h 51m
No alerts
Replay Analysis
N327SYEMBRAER Embraer 175 long wing
→
07/05/2026
2h 3m
No alerts
Replay Analysis
N319SYEMBRAER Embraer 175 long wing
→
07/04/2026
1h 56m
No alerts
Replay Analysis
N319SYEMBRAER Embraer 175 long wing
→
07/04/2026
2h 14m
No alerts
Replay Analysis
N261SYEMBRAER Embraer 175 long wing
→
07/03/2026
2h 7m
No alerts
Replay Analysis
N261SYEMBRAER Embraer 175 long wing
→
07/03/2026
2h 11m
No alerts
Replay Analysis
N310SYEMBRAER Embraer 175 long wing
→
07/02/2026
1h 57m
No alerts
Replay Analysis
N310SYEMBRAER Embraer 175 long wing
→
07/02/2026
1h 54m
No alerts
Replay Analysis
N240SYEMBRAER Embraer 175 long wing
→
07/01/2026
2h 0m
No alerts
Replay Analysis
N240SYEMBRAER Embraer 175 long wing
→
07/01/2026
2h 14m
No alerts
Replay Analysis
N319SYEMBRAER Embraer 175 long wing
→
06/30/2026
2h 10m
No alerts
Replay Analysis
N319SYEMBRAER Embraer 175 long wing
→
06/30/2026
2h 20m
No alerts
Replay Analysis
N319SYEMBRAER Embraer 175 long wing
→
06/29/2026
1h 51m
No alerts
Replay Analysis
N319SYEMBRAER Embraer 175 long wing
→
06/29/2026
2h 4m
No alerts
Replay Analysis
N307SYEMBRAER Embraer 175 long wing
→
06/28/2026
2h 5m
No alerts
Replay Analysis
N307SYEMBRAER Embraer 175 long wing
→
06/28/2026
2h 4m
No alerts
Replay Analysis
N292SYEMBRAER Embraer 175 long wing
→
06/27/2026
1h 54m
No alerts
Replay Analysis
N292SYEMBRAER Embraer 175 long wing
→
06/27/2026
1h 57m
No alerts
Replay Analysis
N308SYEMBRAER Embraer 175 long wing
→
06/26/2026
2h 8m
No alerts
Replay Analysis
N308SYEMBRAER Embraer 175 long wing
→
06/26/2026
2h 28m
No alerts
Replay Analysis
N324SYEMBRAER Embraer 175 long wing
→
06/25/2026
1h 56m
No alerts
Replay Analysis
N324SYEMBRAER Embraer 175 long wing
→
06/25/2026
2h 24m
No alerts
Replay Analysis
N305SYEMBRAER Embraer 175 long wing
→
06/24/2026
1h 59m
No alerts
Replay Analysis
N305SYEMBRAER Embraer 175 long wing
→
06/24/2026
1h 54m
No alerts
Replay Analysis
N307SYEMBRAER Embraer 175 long wing
→
06/23/2026
1h 59m
No alerts
Replay Analysis
N307SYEMBRAER Embraer 175 long wing
→
06/23/2026
2h 1m
No alerts
Replay Analysis
N307SYEMBRAER Embraer 175 long wing
→
06/22/2026
2h 6m
No alerts
Replay Analysis
N307SYEMBRAER Embraer 175 long wing
→
06/22/2026
2h 7m
No alerts
Replay Analysis
N259SYEMBRAER Embraer 175 long wing
→
06/21/2026
1h 42m
No alerts
Replay Analysis
N259SYEMBRAER Embraer 175 long wing
→
06/21/2026
2h 1m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window