UAL3927

UNITED AIRLINES INC · IAH → SFO

UAL3927 is operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 24m. SkyMeter has observed 28 legs of this flight number via ADS-B.

✈
FLIGHTS
28
last 90 days
⏱
AVG DURATION
2h 24m
tracked time
📅
SERVICE PERIOD
05/28/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
25 / 10
city pairs · airframes
⚠
INCIDENT RATE
3.6%
1 flagged

Routes flown

By count · last 90 days

10
KEWR → KIAD
2
avg 1h 23m · Newark Liberty → Washington Dulles
KORD → KIAH
2
avg 2h 2m · Chicago O'Hare → George Bush Intercontinental Houston
KIAH → KSFO
2
avg 3h 32m · George Bush Intercontinental Houston → San Francisco
KAUS → KBOS
1
avg 3h 58m · Austin Bergstrom → General Edward Lawrence Logan
KORD → KIAD
1
avg 1h 28m · Chicago O'Hare → Washington Dulles
KDEN → KIAD
1
avg 3h 6m · Denver → Washington Dulles
KPHL → KORD
1
avg 1h 49m · Philadelphia → Chicago O'Hare
KPHX → KLAX
1
avg 1h 12m · Phoenix Sky Harbor → Los Angeles
KSFO → KDEN
1
avg 2h 46m · San Francisco → Denver
KEWR → KIAH
1
avg 3h 19m · Newark Liberty → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

10
B39M BOEING Boeing 737 MAX 9
5
B738 BOEING Boeing 737-800
4
B739 BOEING Boeing 737-900
4
B772 BOEING Boeing 777-200
3
B77W BOEING Boeing 777-300ER
3
A319 AIRBUS Airbus A319
3
B789 BOEING Boeing 787-9 Dreamliner
2
A21N AIRBUS Airbus A321 Neo
2
B737 BOEING Boeing 737-700
2
B38M BOEING Boeing 737 MAX 8
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 UAL3927

30
N37510BOEING Boeing 737 MAX 9
→
08/21/2026
3h 57m
No alerts
Replay Analysis
N78438BOEING Boeing 737-900
→
08/17/2026
3h 6m
No alerts
Replay Analysis
N29717BOEING Boeing 737-700
→
08/08/2026
3h 19m
No alerts
Replay Analysis
N17443BOEING Boeing 737 MAX 9
→
08/06/2026
29m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
08/04/2026
1h 51m
No alerts
Replay Analysis
N57451BOEING Boeing 737 MAX 9
→
08/02/2026
24m
No alerts
Replay Analysis
N38459BOEING Boeing 737-900
→
07/31/2026
1h 58m
No alerts
Replay Analysis
N211UABOEING Boeing 777-200
→
07/22/2026
2h 46m
No alerts
Replay Analysis
N892UAAIRBUS Airbus A319
→
07/21/2026
48m
No alerts
Replay Analysis
N892UAAIRBUS Airbus A319
→
07/21/2026
1h 57m
No alerts
Replay Analysis
N14214BOEING Boeing 737-800
→
07/20/2026
1h 26m
No alerts
Replay Analysis
N17433BOEING Boeing 737 MAX 9
→
07/14/2026
2h 15m
No alerts
Replay Analysis
N433UAAIRBUS Airbus A320
→
07/10/2026
3h 28m
No alerts
Replay Analysis
N14548AIRBUS Airbus A321 Neo
→
07/08/2026
1h 40m
No alerts
Replay Analysis
N69804BOEING Boeing 737-900
→
07/06/2026
2h 19m
No alerts
Replay Analysis
N845UAAIRBUS Airbus A319
→
07/04/2026
1h 49m
No alerts
Replay Analysis
N69804BOEING Boeing 737-900
→
07/03/2026
4h 10m
No alerts
Replay Analysis
N24979BOEING Boeing 787-9 Dreamliner
→
06/26/2026
3h 35m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
06/23/2026
16m
No alerts
Replay Analysis
N784UABOEING Boeing 777-200
→
06/19/2026
12h 20m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
06/15/2026
1h 11m
No alerts
Replay Analysis
N14549AIRBUS Airbus A321 Neo
→
06/13/2026
2h 6m
No alerts
Replay Analysis
N15710BOEING Boeing 737-700
→
06/11/2026
1h 45m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
06/09/2026
1h 6m
No alerts
Replay Analysis
N14214BOEING Boeing 737-800
→
06/02/2026
3h 5m
△ Low approach-stability score
Replay Analysis
N77022BOEING Boeing 777-200
→
05/30/2026
1h 27m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/27/2026
36m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/26/2026
20m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/26/2026
57m
No alerts
Replay Analysis
N17401BOEING Boeing 737 MAX 9
→
05/25/2026
1h 49m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window