UAL291 is operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Calgary International Airport (CYYC). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 30m. SkyMeter has observed 91 legs of this flight number via ADS-B.

✈
FLIGHTS
91
last 90 days
⏱
AVG DURATION
2h 30m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/29/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
14.3%
13 flagged

Routes flown

By count · last 90 days

4
KSFO → CYYC
68
avg 2h 40m · San Francisco → Calgary
KHAF → CYYC
10
avg 2h 49m · Half Moon Bay → Calgary
KSAV → KORD
4
avg 2h 2m · Savannah Hilton Head → Chicago O'Hare
KOAK → CYYC
1
avg 2h 43m · Metropolitan Oakland → Calgary

Aircraft types

Equipment used on this number

5
B738 BOEING Boeing 737-800
44
B38M BOEING Boeing 737 MAX 8
39
B737 BOEING Boeing 737-700
5
B39M BOEING Boeing 737 MAX 9
2
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
13
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 UAL291

30
N24736BOEING Boeing 737-700
→
06/29/2026
1h 58m
No alerts
Replay Analysis
N24736BOEING Boeing 737-700
→
06/28/2026
2h 6m
No alerts
Replay Analysis
N27722BOEING Boeing 737-700
→
06/27/2026
1h 55m
No alerts
Replay Analysis
N13716BOEING Boeing 737-700
→
06/26/2026
2h 5m
No alerts
Replay Analysis
N39726BOEING Boeing 737-700
→
06/25/2026
1h 58m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
06/24/2026
2h 45m
△ Unstable
Replay Analysis
N27366BOEING Boeing 737 MAX 8
→
06/23/2026
2h 28m
No alerts
Replay Analysis
N37278BOEING Boeing 737 MAX 8
→
06/22/2026
6m
No alerts
Replay Analysis
N37278BOEING Boeing 737 MAX 8
→
06/22/2026
2h 44m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
06/21/2026
2h 33m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
06/20/2026
2h 28m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
06/19/2026
2h 48m
△ Unstable
Replay Analysis
N37365BOEING Boeing 737 MAX 8
→
06/18/2026
2h 38m
No alerts
Replay Analysis
N27323BOEING Boeing 737 MAX 8
→
06/17/2026
2h 39m
△ Unstable
Replay Analysis
N17320BOEING Boeing 737 MAX 8
→
06/16/2026
2h 52m
No alerts
Replay Analysis
N17341BOEING Boeing 737 MAX 8
→
06/15/2026
2h 40m
No alerts
Replay Analysis
N37295BOEING Boeing 737 MAX 8
→
06/14/2026
2h 40m
No alerts
Replay Analysis
N17355BOEING Boeing 737 MAX 8
→
06/13/2026
2h 47m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
06/12/2026
2h 53m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
06/11/2026
2h 21m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
06/10/2026
2h 52m
No alerts
Replay Analysis
N37471BOEING Boeing 737-900
→
06/09/2026
2h 39m
No alerts
Replay Analysis
N37307BOEING Boeing 737 MAX 8
→
06/08/2026
2h 38m
No alerts
Replay Analysis
N27283BOEING Boeing 737 MAX 8
→
06/07/2026
2h 34m
No alerts
Replay Analysis
N27287BOEING Boeing 737 MAX 8
→
06/06/2026
2h 13m
△ Unstable
Replay Analysis
N47293BOEING Boeing 737 MAX 8
→
06/05/2026
2h 42m
△ Unstable
Replay Analysis
N17254BOEING Boeing 737 MAX 8
→
06/04/2026
2h 51m
No alerts
Replay Analysis
N27273BOEING Boeing 737 MAX 8
→
06/03/2026
2h 40m
△ Unstable
Replay Analysis
N27287BOEING Boeing 737 MAX 8
→
06/02/2026
2h 26m
No alerts
Replay Analysis
N47330BOEING Boeing 737 MAX 8
→
06/01/2026
2h 49m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window