WMU81 is operated by BOARD OF TRUSTEES OF WESTERN MICHIGAN UNIVERSITY between Battle Creek Executive Airport at Kellogg Field (KBTL) and Branch County Memorial Airport (KOEB). The flight is most often flown by a CIRRUS Cirrus SR-20. Typical block time is 0h 38m. SkyMeter has observed 227 legs of this flight number via ADS-B.

FLIGHTS
227
last 90 days
AVG DURATION
38m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/15/2026
first → last seen
🗺
ROUTES / TYPES
71 / 1
city pairs · airframes
INCIDENT RATE
1.3%
3 flagged

Routes flown

By count · last 90 days

10
11
avg 19m · Battle Creek Executive Airport at Kellogg Field → Branch County
9
avg 53m · Custer Main Heliport → Battle Creek Executive Airport at Kellogg Field
9
avg 1h 0m · Battle Creek Executive Airport at Kellogg Field → Kalamazoo Battle Creek
8
avg 8m · Boulder Canyon → Battle Creek Executive Airport at Kellogg Field
8
avg 8m · David's → Battle Creek Executive Airport at Kellogg Field
8
avg 27m · Battle Creek Executive Airport at Kellogg Field → Brooks Field
5
avg 1h 3m · Battle Creek Health System Helistop → Battle Creek Executive Airport at Kellogg Field
2
avg 21m · Brooks Field → Battle Creek Executive Airport at Kellogg Field
2
avg 45m · Custer Main Heliport → Three Rivers Municipal Dr Haines
2
avg 32m · Battle Creek Executive Airport at Kellogg Field → Three Rivers Municipal Dr Haines

Aircraft types

Equipment used on this number

1

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 WMU81

30
07/14/2026
1h 33m
No alerts
07/14/2026
1h 35m
No alerts
07/11/2026
1h 0m
No alerts
07/11/2026
15m
△ Low approach-stability score
07/09/2026
1h 18m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window