Flight Status & Tracker

UAL1977

UNITED AIRLINES INC · IAH → BOS · Last tracked Sep 26, 2026

UAL1977 is a flight number operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and General Edward Lawrence Logan International Airport (KBOS). SkyMeter last tracked UAL1977 on September 26, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 25m. SkyMeter has observed 83 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
83
last 90 days
⏱
AVG DURATION
3h 25m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
3 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KIAH → KBOS
81
avg 3h 26m · George Bush Intercontinental Houston → General Edward Lawrence Logan

Aircraft types

Equipment used on this number

7
B739 BOEING Boeing 737-900
38
B39M BOEING Boeing 737 MAX 9
29
B738 BOEING Boeing 737-800
11
A319 AIRBUS Airbus A319
2
A21N AIRBUS Airbus A321 Neo
1
A320 AIRBUS Airbus A320
1
B38M BOEING Boeing 737 MAX 8
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 UAL1977

30
N12216BOEING Boeing 737-800
→
9/26/2026
3h 30m
No alerts
Replay Analysis
N37547BOEING Boeing 737 MAX 9
→
9/24/2026
3h 44m
No alerts
Replay Analysis
N37577BOEING Boeing 737 MAX 9
→
9/23/2026
3h 18m
No alerts
Replay Analysis
N17438BOEING Boeing 737 MAX 9
→
9/22/2026
3h 23m
No alerts
Replay Analysis
N37563BOEING Boeing 737 MAX 9
→
9/21/2026
3h 17m
No alerts
Replay Analysis
N17441BOEING Boeing 737 MAX 9
→
9/20/2026
3h 32m
No alerts
Replay Analysis
N37549BOEING Boeing 737 MAX 9
→
9/19/2026
3h 34m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
9/18/2026
3h 29m
No alerts
Replay Analysis
N37525BOEING Boeing 737 MAX 9
→
9/17/2026
3h 21m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
9/16/2026
3h 35m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
9/15/2026
3h 24m
No alerts
Replay Analysis
N77573BOEING Boeing 737 MAX 9
→
9/14/2026
3h 13m
No alerts
Replay Analysis
N17410BOEING Boeing 737 MAX 9
→
9/13/2026
3h 17m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
9/12/2026
3h 15m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
9/11/2026
2h 37m
No alerts
Replay Analysis
N77582BOEING Boeing 737 MAX 9
→
9/10/2026
3h 26m
No alerts
Replay Analysis
N27586BOEING Boeing 737 MAX 9
→
9/9/2026
3h 22m
No alerts
Replay Analysis
N37567BOEING Boeing 737 MAX 9
→
9/8/2026
3h 41m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
9/5/2026
3h 31m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
9/4/2026
3h 19m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
9/3/2026
3h 27m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
9/2/2026
3h 28m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
9/1/2026
3h 13m
No alerts
Replay Analysis
N62849BOEING Boeing 737-900
→
8/31/2026
3h 28m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
8/30/2026
3h 33m
No alerts
Replay Analysis
N849UAAIRBUS Airbus A319
→
8/29/2026
3h 43m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
8/28/2026
3h 23m
No alerts
Replay Analysis
N61898BOEING Boeing 737-900
→
8/27/2026
3h 23m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
8/26/2026
3h 23m
No alerts
Replay Analysis
N38473BOEING Boeing 737-900
→
8/25/2026
3h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window