Flight Status & Tracker

WMU91

BOARD OF TRUSTEES OF WESTERN MICHIGAN UNIVERSITY · 9MI1 → BTL · Last tracked Oct 13, 2026

WMU91 is a flight number operated by BOARD OF TRUSTEES OF WESTERN MICHIGAN UNIVERSITY between Custer Main Heliport (9MI1) and Battle Creek Executive Airport at Kellogg Field (KBTL). SkyMeter last tracked WMU91 on October 13, 2026. The flight is most often flown by a CIRRUS Cirrus SR-20. Typical block time is 0h 42m. SkyMeter has observed 193 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
193
last 90 days
⏱
AVG DURATION
42m
tracked time
📅
SERVICE PERIOD
5/30/2025 → 10/13/2026
first → last seen
🗺
ROUTES / TYPES
69 / 1
city pairs · airframes
⚠
INCIDENT RATE
2.6%
5 flagged

Routes flown

By count · last 90 days

10
9
avg 56m · Custer Main Heliport → Battle Creek Executive Airport at Kellogg Field
6
avg 23m · Battle Creek Executive Airport at Kellogg Field → Branch County
4
avg 1h 12m · Battle Creek Health System Helistop → Battle Creek Executive Airport at Kellogg Field
3
avg 45m · Battle Creek Executive Airport at Kellogg Field → Kalamazoo Battle Creek
3
avg 5m · Boulder Canyon → Battle Creek Executive Airport at Kellogg Field
3
avg 22m · David's → Battle Creek Executive Airport at Kellogg Field
3
avg 47m · Battle Creek Executive Airport at Kellogg Field → Brooks Field
avg 34m · A-1 Paint Horse Farm Heliport → Battle Creek Executive Airport at Kellogg Field
2
avg 1h 34m · Battle Creek Executive Airport at Kellogg Field → Kirsch
2
avg 42m · Kirsch → Battle Creek Executive Airport at Kellogg Field

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
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 WMU91

30
10/5/2026
32m
△ Low approach-stability score
10/3/2026
6m
△ Low approach-stability score
10/1/2026
37m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window