UAL1691

UNITED AIRLINES INC · BOS ORD

UAL1691 is operated by UNITED AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 54m. SkyMeter has observed 85 legs of this flight number via ADS-B.

FLIGHTS
85
last 90 days
AVG DURATION
1h 54m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/18/2026
first → last seen
🗺
ROUTES / TYPES
8 / 6
city pairs · airframes
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
31
avg 2h 29m · General Edward Lawrence Logan → Chicago O'Hare
25
avg 1h 49m · Albuquerque International Sunport → George Bush Intercontinental Houston
23
avg 1h 7m · Newark Liberty → Washington Dulles
avg 2h 27m · Tailwind Boston Seaplane Base → Chicago O'Hare
avg 3h 57m · Tailwind Boston Seaplane Base → Chicago Rockford

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 UAL1691

30
07/18/2026
1h 36m
No alerts
07/07/2026
1h 17m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window