UAL636 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Burlington International Airport (KBTV). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 1h 53m. SkyMeter has observed 178 legs of this flight number via ADS-B.

✈
FLIGHTS
178
last 90 days
⏱
AVG DURATION
1h 53m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
14 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.6%
1 flagged

Routes flown

By count · last 90 days

8
KORD → KBTV
61
avg 1h 45m · Chicago O'Hare → Burlington
MT44 → KORD
30
avg 2h 54m · Missoula Unit Heliport → Chicago O'Hare
KMSP → KORD
1
avg 1h 28m · Minneapolis-St Paul International/Wold-Chamberlain → Chicago O'Hare
KMSO → KORD
1
avg 3h 3m · Missoula → Chicago O'Hare
KORD → KALB
1
avg 1h 48m · Chicago O'Hare → Albany
IL79 → KBTV
1
avg 1h 33m · Presence Resurrection Medical Center Heliport → Burlington
KALB → KBTV
1
avg 26m · Albany → Burlington
KRFD → KORD
1
avg 26m · Chicago Rockford → Chicago O'Hare

Aircraft types

Equipment used on this number

6
B39M BOEING Boeing 737 MAX 9
111
B738 BOEING Boeing 737-800
60
A320 AIRBUS Airbus A320
39
B739 BOEING Boeing 737-900
18
A21N AIRBUS Airbus A321 Neo
1
A319 AIRBUS Airbus A319
1

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 UAL636

30
N17437BOEING Boeing 737 MAX 9
→
08/20/2026
30m
No alerts
Replay Analysis
N77578BOEING Boeing 737 MAX 9
→
08/18/2026
1h 30m
No alerts
Replay Analysis
N77578BOEING Boeing 737 MAX 9
→
08/17/2026
39m
No alerts
Replay Analysis
N77578BOEING Boeing 737 MAX 9
→
08/17/2026
2h 10m
No alerts
Replay Analysis
N17433BOEING Boeing 737 MAX 9
→
08/17/2026
1h 42m
No alerts
Replay Analysis
N17437BOEING Boeing 737 MAX 9
→
08/16/2026
1h 50m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
08/15/2026
1h 37m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
08/14/2026
30m
No alerts
Replay Analysis
N37508BOEING Boeing 737 MAX 9
→
08/14/2026
1h 41m
No alerts
Replay Analysis
N37508BOEING Boeing 737 MAX 9
→
08/14/2026
18m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
08/12/2026
1h 44m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
08/11/2026
26m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
08/11/2026
1h 48m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
08/10/2026
10m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
08/10/2026
3h 13m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
08/10/2026
35m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
08/09/2026
2h 24m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
08/09/2026
2h 59m
No alerts
Replay Analysis
N47462BOEING Boeing 737 MAX 9
→
08/08/2026
11m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
08/08/2026
3h 4m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
08/07/2026
3h 1m
No alerts
Replay Analysis
N37506BOEING Boeing 737 MAX 9
→
08/07/2026
1h 33m
No alerts
Replay Analysis
N37506BOEING Boeing 737 MAX 9
→
08/06/2026
8m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
08/06/2026
6m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
08/06/2026
3h 11m
No alerts
Replay Analysis
N17401BOEING Boeing 737 MAX 9
→
08/06/2026
1h 56m
No alerts
Replay Analysis
N76505BOEING Boeing 737-800
→
08/05/2026
2h 56m
No alerts
Replay Analysis
N77578BOEING Boeing 737 MAX 9
→
08/04/2026
2h 44m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
08/04/2026
2h 2m
No alerts
Replay Analysis
N77535BOEING Boeing 737-800
→
08/03/2026
2h 57m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window