Flight Status & Tracker

UAL2400

UNITED AIRLINES INC · BOS → SFO · Last tracked Oct 21, 2026

UAL2400 is a flight number operated by UNITED AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL2400 on October 21, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 4h 13m. SkyMeter has observed 92 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
92
last 90 days
⏱
AVG DURATION
4h 13m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/21/2026
first → last seen
🗺
ROUTES / TYPES
7 / 4
city pairs · airframes
⚠
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

4
KBOS → KSFO
44
avg 6h 18m · General Edward Lawrence Logan → San Francisco
KSFO → KLAS
23
avg 1h 35m · San Francisco → McCarran
KPHL → KSFO
6
avg 5h 35m · Philadelphia → San Francisco
KHAF → KLAS
1
avg 1h 41m · Half Moon Bay → McCarran

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
140
B38M BOEING Boeing 737 MAX 8
18
B738 BOEING Boeing 737-800
6
B739 BOEING Boeing 737-900
6

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL2400

30
N17427BOEING Boeing 737 MAX 9
→
10/21/2026
4h 34m
No alerts
Replay Analysis
N57416BOEING Boeing 737 MAX 9
→
10/19/2026
1h 3m
No alerts
Replay Analysis
N17589BOEING Boeing 737 MAX 9
→
10/18/2026
6m
No alerts
Replay Analysis
N17589BOEING Boeing 737 MAX 9
→
10/18/2026
1h 43m
No alerts
Replay Analysis
N17479
→
10/18/2026
4h 57m
No alerts
Replay Analysis
N17479
→
10/18/2026
1h 0m
No alerts
Replay Analysis
N17479
→
10/18/2026
5h 59m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
10/17/2026
1h 58m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
10/17/2026
4h 43m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
10/17/2026
6h 3m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
10/17/2026
1h 19m
No alerts
Replay Analysis
N47412BOEING Boeing 737 MAX 9
→
10/16/2026
5h 50m
No alerts
Replay Analysis
N47412BOEING Boeing 737 MAX 9
→
10/16/2026
6h 34m
No alerts
Replay Analysis
N47412BOEING Boeing 737 MAX 9
→
10/16/2026
43m
No alerts
Replay Analysis
N17594BOEING Boeing 737-900
→
10/15/2026
5h 55m
No alerts
Replay Analysis
N17411BOEING Boeing 737 MAX 9
→
10/13/2026
6h 1m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
10/11/2026
1h 29m
No alerts
Replay Analysis
N17414BOEING Boeing 737 MAX 9
→
10/11/2026
1h 40m
No alerts
Replay Analysis
N37507BOEING Boeing 737 MAX 9
→
10/10/2026
6h 18m
No alerts
Replay Analysis
N27476BOEING Boeing 737 MAX 9
→
10/9/2026
6m
No alerts
Replay Analysis
N27476BOEING Boeing 737 MAX 9
→
10/9/2026
1h 26m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
10/9/2026
5h 1m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
10/9/2026
6h 33m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
10/9/2026
1h 31m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
10/8/2026
4h 56m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
10/8/2026
1h 20m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
10/8/2026
6h 17m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
10/7/2026
4h 50m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
10/7/2026
1h 9m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
10/7/2026
5h 59m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window