ON TIMEBOARD

DL 3906 on time

Delta Air Lines 3906: Salt Lake City to Bozeman at 1:50 p.m. (past 12 months)

On time
87%
158 flights · likely 81–91%
Cancelled
0.0%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+44 min
average delay
Similar flights
85%
DL, same route & hour

About 1 in 8 DL 3906 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.0% were cancelled. The typical flight landed 5 minutes early.

DL 3906: SLC → BZN

Scheduled to leave Salt Lake City at 1:50 p.m. local time, operated by SkyWest as OO 3906. Over the past year it arrived on time 87% of the time (158 flights), in line with other DL flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 87% on time (23 flights)87JunJul 2025: 97% on time (31 flights)97JulAug 2025: 87% on time (31 flights)87AugSep 2025: too few flights (10 flights)SepJan 2026: 93% on time (27 flights)93JanFeb 2026: 86% on time (28 flights)86FebMar 2026: too few flights (7 flights)MarJun 2026: 92% on time (24 flights)92JunJul 2026: 84% on time (31 flights)84JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday2479%
Tuesday2396%
Wednesday2396%
Thursday2291%
Friday2277%
Saturday2286%
Sunday2282%

Why it was late

Airline (crew, maintenance, ops) 63%Severe weather 26%Air traffic & airport (NAS) 10%

All flights SLC → BZN · Connecting off DL 3906? Check the risk

Questions

How often is DL 3906 from SLC to BZN late?

Delta Air Lines 3906 from Salt Lake City, UT to Bozeman, MT arrived 15 or more minutes late, was diverted or was cancelled on 13% of 158 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.