OST31 is operated by OKLAHOMA STATE UNIVERSITY between Hilltop Airport (88OK) and Stillwater Regional Airport (KSWO). The flight is most often flown by a CIRRUS Cirrus SR-20. Typical block time is 0h 27m. SkyMeter has observed 77 legs of this flight number via ADS-B.

FLIGHTS
77
last 90 days
AVG DURATION
27m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
31 / 1
city pairs · airframes
INCIDENT RATE
1.3%
1 flagged

Routes flown

By count · last 90 days

10
12
avg 10m · Hilltop → Stillwater
6
avg 12m · Stillwater → Perry
avg 10m · Red Rock South → Stillwater
3
avg 28m · Mulberry Hill → Stillwater
1
avg 52m · Stillwater → Ponca City
1
avg 33m · Stillwater → Chandler
1
avg 26m · Will Rogers World → Stillwater
1
avg 6m · Hsi Heliport → Cushing
1
avg 2h 4m · Tradewind → Stillwater
1
avg 29m · Watonga → Stillwater

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 OST31

30
8/11/2026
28m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window