UAL1550

UNITED AIRLINES INC · ORD → BWI

UAL1550 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Baltimore/Washington International Thurgood Marshall Airport (KBWI). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 44m. SkyMeter has observed 95 legs of this flight number via ADS-B.

✈
FLIGHTS
95
last 90 days
⏱
AVG DURATION
2h 44m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
13 / 7
city pairs · airframes
⚠
INCIDENT RATE
3.2%
3 flagged

Routes flown

By count · last 90 days

6
KORD → KBWI
33
avg 1h 30m · Chicago O'Hare → Baltimore/Washington International Thurgood Marshall
KDTW → KSFO
28
avg 4h 41m · Detroit Metropolitan Wayne County → San Francisco
KLAX → KSEA
14
avg 2h 27m · Los Angeles → Seattle Tacoma
KDEN → KSBP
5
avg 2h 36m · Denver → San Luis County
KSFO → KIND
2
avg 4h 42m · San Francisco → Indianapolis
US-1410 → KSEA
1
avg 2h 24m · Sheraton Gateway Los Angeles Hotel Helipad → Seattle Tacoma

Aircraft types

Equipment used on this number

7
B38M BOEING Boeing 737 MAX 8
35
B39M BOEING Boeing 737 MAX 9
32
B739 BOEING Boeing 737-900
19
A319 AIRBUS Airbus A319
12
A320 AIRBUS Airbus A320
10
B737 BOEING Boeing 737-700
10
B738 BOEING Boeing 737-800
4

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 UAL1550

30
N76526BOEING Boeing 737-800
→
8/13/2026
4h 30m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
8/12/2026
3h 6m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
8/11/2026
4h 53m
No alerts
Replay Analysis
N17566BOEING Boeing 737 MAX 9
→
8/10/2026
4h 45m
No alerts
Replay Analysis
N77582BOEING Boeing 737 MAX 9
→
8/9/2026
7h 41m
No alerts
Replay Analysis
N68823BOEING Boeing 737-900
→
8/9/2026
2h 39m
No alerts
Replay Analysis
N68823BOEING Boeing 737-900
→
8/8/2026
17m
No alerts
Replay Analysis
N68823BOEING Boeing 737-900
→
8/8/2026
2h 57m
No alerts
Replay Analysis
N77575BOEING Boeing 737 MAX 9
→
8/7/2026
4h 43m
No alerts
Replay Analysis
N17407BOEING Boeing 737 MAX 9
→
8/6/2026
4h 38m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
8/6/2026
1h 43m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
8/5/2026
43m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
8/5/2026
2h 27m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
8/5/2026
1h 52m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
8/4/2026
43m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
8/4/2026
2h 36m
No alerts
Replay Analysis
N67501BOEING Boeing 737 MAX 9
→
8/3/2026
4h 38m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
8/2/2026
4h 29m
No alerts
Replay Analysis
N69813BOEING Boeing 737-900
→
8/2/2026
29m
No alerts
Replay Analysis
N17589BOEING Boeing 737 MAX 9
→
7/31/2026
5h 1m
No alerts
Replay Analysis
N17456BOEING Boeing 737 MAX 9
→
7/30/2026
4h 26m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
7/30/2026
1h 39m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
7/29/2026
42m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
7/29/2026
2h 21m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
7/29/2026
1h 38m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
7/28/2026
44m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
7/28/2026
2h 24m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
7/27/2026
4h 16m
No alerts
Replay Analysis
N47524BOEING Boeing 737 MAX 9
→
7/26/2026
4h 32m
No alerts
Replay Analysis
N37437BOEING Boeing 737-900
→
7/26/2026
2h 9m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window