Alpine Air Express 5A1599 Diverted BTM Butte → BZN Bozeman 44m 106km / 65mi 27. May 2025 DEPARTURE 17:31 MDT 23:31 UTC 08:30 +541 minutes ARRIVAL 18:16 MDT 00:16 UTC 18:13 +3 minutes Beech C-99 Airliner N999DZ AIRLINE Alpine Air Express 5A / AIP FREQUENCY 4x per week DISTANCE 106km FLIGHTS/WEEK 6 PUNCTUALITY 77% CO2 EMISSIONS Economy 41kg