UAL2135

UNITED AIRLINES INC · SEA → IAH

UAL2135 is operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 41m. SkyMeter has observed 213 legs of this flight number via ADS-B.

✈
FLIGHTS
213
last 90 days
⏱
AVG DURATION
2h 41m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/11/2026
first → last seen
🗺
ROUTES / TYPES
11 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.5%
1 flagged

Routes flown

By count · last 90 days

6
KSEA → KIAH
85
avg 4h 4m · Seattle Tacoma → George Bush Intercontinental Houston
KIAH → KORD
71
avg 2h 23m · George Bush Intercontinental Houston → Chicago O'Hare
KORD → KDTW
25
avg 1h 1m · Chicago O'Hare → Detroit Metropolitan Wayne County
KIAH → KFLL
7
avg 2h 0m · George Bush Intercontinental Houston → Fort Lauderdale Hollywood
KORD → KONZ
1
avg 1h 1m · Chicago O'Hare → Grosse Ile
KIAH → KMKE
1
avg 2h 53m · George Bush Intercontinental Houston → General Mitchell

Aircraft types

Equipment used on this number

7
A21N AIRBUS Airbus A321 Neo
132
B738 BOEING Boeing 737-800
107
B739 BOEING Boeing 737-900
63
B39M BOEING Boeing 737 MAX 9
15
A320 AIRBUS Airbus A320
7
B38M BOEING Boeing 737 MAX 8
7
A319 AIRBUS Airbus A319
2

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 UAL2135

30
N846UAAIRBUS Airbus A319
→
8/11/2026
3h 47m
No alerts
Replay Analysis
N24510AIRBUS Airbus A321 Neo
→
8/11/2026
2h 4m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
8/10/2026
4h 13m
No alerts
Replay Analysis
N69838BOEING Boeing 737-900
→
8/10/2026
2h 53m
↘ Diverted (inferred)
Replay Analysis
N69830BOEING Boeing 737-900
→
8/9/2026
58m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
8/8/2026
1h 40m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
8/8/2026
2h 39m
No alerts
Replay Analysis
N77510BOEING Boeing 737-800
→
8/8/2026
4h 5m
No alerts
Replay Analysis
N69835BOEING Boeing 737-900
→
8/8/2026
1h 0m
No alerts
Replay Analysis
N69835BOEING Boeing 737-900
→
8/7/2026
1h 32m
No alerts
Replay Analysis
N69835BOEING Boeing 737-900
→
8/7/2026
2h 33m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
8/7/2026
3h 48m
No alerts
Replay Analysis
N34535AIRBUS Airbus A321 Neo
→
8/7/2026
39m
No alerts
Replay Analysis
N34535AIRBUS Airbus A321 Neo
→
8/6/2026
1h 36m
No alerts
Replay Analysis
N34535AIRBUS Airbus A321 Neo
→
8/6/2026
2h 17m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
8/6/2026
3h 58m
No alerts
Replay Analysis
N14521AIRBUS Airbus A321 Neo
→
8/6/2026
13m
No alerts
Replay Analysis
N14521AIRBUS Airbus A321 Neo
→
8/6/2026
1h 7m
No alerts
Replay Analysis
N14521AIRBUS Airbus A321 Neo
→
8/5/2026
1h 33m
No alerts
Replay Analysis
N14521AIRBUS Airbus A321 Neo
→
8/5/2026
2h 41m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
8/5/2026
3h 53m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
8/5/2026
16m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
8/5/2026
30m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
8/4/2026
1h 37m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
8/4/2026
2h 8m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
8/4/2026
4h 2m
No alerts
Replay Analysis
N14553AIRBUS Airbus A321 Neo
→
8/4/2026
1h 24m
No alerts
Replay Analysis
N14553AIRBUS Airbus A321 Neo
→
8/3/2026
1h 5m
No alerts
Replay Analysis
N14553AIRBUS Airbus A321 Neo
→
8/3/2026
2h 30m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
8/3/2026
3h 54m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window