UAL2644

UNITED AIRLINES INC · PHL → DEN

UAL2644 is operated by UNITED AIRLINES INC between Philadelphia International Airport (KPHL) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 3h 13m. SkyMeter has observed 103 legs of this flight number via ADS-B.

✈
FLIGHTS
103
last 90 days
⏱
AVG DURATION
3h 13m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/19/2026
first → last seen
🗺
ROUTES / TYPES
13 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KPHL → KDEN
62
avg 3h 53m · Philadelphia → Denver
60CO → KDEN
2
avg 27m · Stevens → Denver
US-0174 → KDEN
2
avg 11m · Aurora Airpark → Denver
7CO3 → KDEN
1
avg 17m · Lindys Airpark → Denver
KGJT → KDEN
1
avg 53m · Grand Junction → Denver
KPHL → KGJT
1
avg 4h 11m · Philadelphia → Grand Junction
US-0412 → KDEN
1
avg 18m · Southlands ER Heliport → Denver
34CO → KDEN
1
avg 23m · Simons → Denver
KDEN → KPSP
1
avg 2h 0m · Denver → Palm Springs
CO02 → KDEN
1
avg 10m · Harrington Ranch → Denver

Aircraft types

Equipment used on this number

3
B738 BOEING Boeing 737-800
182
B39M BOEING Boeing 737 MAX 9
17
B739 BOEING Boeing 737-900
13

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 UAL2644

30
N54241BOEING Boeing 737-800
→
08/19/2026
1h 59m
No alerts
Replay Analysis
N17401BOEING Boeing 737 MAX 9
→
08/18/2026
2h 8m
No alerts
Replay Analysis
N37253BOEING Boeing 737-800
→
08/18/2026
2h 0m
No alerts
Replay Analysis
N17468BOEING Boeing 737 MAX 9
→
08/17/2026
3h 36m
No alerts
Replay Analysis
N47470BOEING Boeing 737 MAX 9
→
08/17/2026
2h 43m
No alerts
Replay Analysis
N47470BOEING Boeing 737 MAX 9
→
08/16/2026
4h 10m
No alerts
Replay Analysis
N47470BOEING Boeing 737 MAX 9
→
08/16/2026
1h 27m
No alerts
Replay Analysis
N77537BOEING Boeing 737-800
→
08/16/2026
1h 55m
No alerts
Replay Analysis
N37553BOEING Boeing 737 MAX 9
→
08/15/2026
3h 30m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
08/15/2026
56m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
08/14/2026
3h 43m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
08/14/2026
2h 46m
No alerts
Replay Analysis
N18243BOEING Boeing 737-800
→
08/14/2026
1h 47m
No alerts
Replay Analysis
N27511BOEING Boeing 737 MAX 9
→
08/14/2026
1h 16m
No alerts
Replay Analysis
N27511BOEING Boeing 737 MAX 9
→
08/13/2026
5h 6m
No alerts
Replay Analysis
N27511BOEING Boeing 737 MAX 9
→
08/13/2026
3h 49m
No alerts
Replay Analysis
N27463BOEING Boeing 737 MAX 9
→
08/12/2026
2h 7m
No alerts
Replay Analysis
N27463BOEING Boeing 737 MAX 9
→
08/11/2026
1h 31m
No alerts
Replay Analysis
N27463BOEING Boeing 737 MAX 9
→
08/11/2026
3h 38m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/11/2026
50m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/10/2026
2h 48m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/10/2026
3h 39m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/10/2026
16m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/09/2026
3h 20m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/09/2026
3h 36m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
08/08/2026
3h 22m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
08/07/2026
1h 9m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
08/06/2026
2h 26m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
08/06/2026
3h 36m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
08/06/2026
59m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window