UAL2638

UNITED AIRLINES INC · IAH → SEA

UAL2638 is operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 3h 7m. SkyMeter has observed 158 legs of this flight number via ADS-B.

✈
FLIGHTS
158
last 90 days
⏱
AVG DURATION
3h 7m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
10 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KIAH → KSEA
69
avg 4h 20m · George Bush Intercontinental Houston → Seattle Tacoma
KORD → KIAH
46
avg 2h 19m · Chicago O'Hare → George Bush Intercontinental Houston
KDCA → KORD
16
avg 1h 59m · Ronald Reagan Washington National → Chicago O'Hare
KRDU → KORD
12
avg 1h 57m · Raleigh Durham → Chicago O'Hare
06TX → KIAH
1
avg 8m · Diamond N Ranch → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

8
B738 BOEING Boeing 737-800
159
A320 AIRBUS Airbus A320
56
B39M BOEING Boeing 737 MAX 9
43
A21N AIRBUS Airbus A321 Neo
18
A319 AIRBUS Airbus A319
11
B737 BOEING Boeing 737-700
4
B38M BOEING Boeing 737 MAX 8
3
B739 BOEING Boeing 737-900
2

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 UAL2638

30
N87512BOEING Boeing 737-800
→
07/19/2026
2h 11m
No alerts
Replay Analysis
N37521BOEING Boeing 737 MAX 9
→
07/19/2026
1h 57m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
07/19/2026
1h 55m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
07/19/2026
2h 10m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
07/18/2026
2h 15m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
07/18/2026
4h 25m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
07/18/2026
2h 26m
No alerts
Replay Analysis
N847UAAIRBUS Airbus A319
→
07/18/2026
2h 19m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
07/18/2026
2h 5m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
07/17/2026
4h 29m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
07/17/2026
2h 23m
No alerts
Replay Analysis
N17460BOEING Boeing 737 MAX 9
→
07/17/2026
2h 0m
No alerts
Replay Analysis
N24702BOEING Boeing 737-700
→
07/17/2026
2h 4m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
07/17/2026
2h 0m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
07/16/2026
4h 18m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
07/16/2026
2h 17m
No alerts
Replay Analysis
N37506BOEING Boeing 737 MAX 9
→
07/16/2026
2h 17m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
07/16/2026
1h 39m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
07/16/2026
2h 1m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
07/15/2026
2h 23m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
07/15/2026
4h 28m
No alerts
Replay Analysis
N17593BOEING Boeing 737 MAX 9
→
07/15/2026
2h 27m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
07/15/2026
1h 43m
No alerts
Replay Analysis
N47369BOEING Boeing 737 MAX 8
→
07/15/2026
2h 31m
No alerts
Replay Analysis
N47369BOEING Boeing 737 MAX 8
→
07/14/2026
1h 31m
No alerts
Replay Analysis
N47369BOEING Boeing 737 MAX 8
→
07/14/2026
4h 3m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
07/14/2026
2h 23m
No alerts
Replay Analysis
N823UAAIRBUS Airbus A319
→
07/14/2026
1h 58m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
07/14/2026
3h 57m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
07/13/2026
7m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window