UAL3904

UNITED AIRLINES INC · TPA → IAH

UAL3904 is operated by UNITED AIRLINES INC between Tampa International Airport (KTPA) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 42m. SkyMeter has observed 21 legs of this flight number via ADS-B.

✈
FLIGHTS
21
last 90 days
⏱
AVG DURATION
2h 42m
tracked time
📅
SERVICE PERIOD
06/03/2025 → 07/16/2026
first → last seen
🗺
ROUTES / TYPES
21 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KIAH → KDEN
1
avg 2h 5m · George Bush Intercontinental Houston → Denver
KDEN → KSAT
1
avg 2h 10m · Denver → San Antonio
CYYZ → KORD
1
avg 1h 24m · Lester B. Pearson → Chicago O'Hare
KPHX → KEWR
1
avg 4h 29m · Phoenix Sky Harbor → Newark Liberty
KMSY → KSFO
1
avg 5h 16m · Louis Armstrong New Orleans → San Francisco
PHIK → KSFO
1
avg 5h 4m · Hickam Air Force Base → San Francisco
KSFO → KEWR
1
avg 5h 15m · San Francisco → Newark Liberty
KTPA → KIAH
1
avg 1h 52m · Tampa → George Bush Intercontinental Houston
KIAH → KMCO
1
avg 1h 39m · George Bush Intercontinental Houston → Orlando
KBUR → KSFO
1
avg 51m · Bob Hope → San Francisco

Aircraft types

Equipment used on this number

10
B739 BOEING Boeing 737-900
6
B753 BOEING Boeing 757-300
4
A320 AIRBUS Airbus A320
3
B772 BOEING Boeing 777-200
2
B38M BOEING Boeing 737 MAX 8
2
B39M BOEING Boeing 737 MAX 9
2
B738 BOEING Boeing 737-800
2
B764 BOEING Boeing 767-400
1
B737 BOEING Boeing 737-700
1
A319 AIRBUS Airbus A319
1

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 UAL3904

30
N18220BOEING Boeing 737-800
→
07/16/2026
1h 15m
No alerts
Replay Analysis
N57286BOEING Boeing 737 MAX 8
→
07/12/2026
4h 39m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
07/04/2026
2h 15m
No alerts
Replay Analysis
N74856BOEING Boeing 757-300
→
07/02/2026
1h 48m
No alerts
Replay Analysis
N68834BOEING Boeing 737-900
→
06/30/2026
1h 51m
No alerts
Replay Analysis
N38446BOEING Boeing 737-900
→
06/24/2026
2h 10m
No alerts
Replay Analysis
N57868BOEING Boeing 757-300
→
06/20/2026
46m
No alerts
Replay Analysis
N57868BOEING Boeing 757-300
→
06/19/2026
28m
No alerts
Replay Analysis
N57868BOEING Boeing 757-300
→
06/19/2026
5h 4m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
06/16/2026
2h 28m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
06/15/2026
46m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
06/11/2026
12m
No alerts
Replay Analysis
N448UAAIRBUS Airbus A320
→
06/10/2026
50m
No alerts
Replay Analysis
N484UAAIRBUS Airbus A320
→
06/06/2026
1h 31m
No alerts
Replay Analysis
N74007BOEING Boeing 777-200
→
06/04/2026
5h 15m
No alerts
Replay Analysis
N67052BOEING Boeing 767-400
→
06/02/2026
1h 8m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
05/25/2026
2h 5m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
05/21/2026
2h 12m
No alerts
Replay Analysis
N37521BOEING Boeing 737 MAX 9
→
05/17/2026
4h 29m
No alerts
Replay Analysis
N894UAAIRBUS Airbus A319
→
05/08/2026
1h 24m
No alerts
Replay Analysis
N17401BOEING Boeing 737 MAX 9
→
05/03/2026
1h 39m
No alerts
Replay Analysis
N229UABOEING Boeing 777-200
→
04/29/2026
8h 33m
No alerts
Replay Analysis
N68842BOEING Boeing 737-900
→
04/27/2026
4h 44m
No alerts
Replay Analysis
N68842BOEING Boeing 737-900
→
04/26/2026
31m
No alerts
Replay Analysis
N68842BOEING Boeing 737-900
→
04/26/2026
5h 16m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
04/14/2026
3h 49m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
04/13/2026
38m
No alerts
Replay Analysis
N24505AIRBUS Airbus A321 Neo
→
04/12/2026
1h 45m
No alerts
Replay Analysis
N642UABOEING Boeing 767-300
→
04/08/2026
8h 13m
No alerts
Replay Analysis
N76064BOEING Boeing 767-400
→
04/05/2026
5h 0m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window