DL4039Delta Air Lines · SEA → BZN
live · 56m ago
Route confirmed Delta Air Lines

DL4039 SeattleSEA · 19:50 BozemanBZN

DL4039 by Delta Air Lines flies from Seattle (SEA) to Bozeman (BZN) for the Fri, Oct 30 departure.

Right nowOn time · gate B5 · as of 13:22
19:50

departs SEA · on schedule

The route today

live boards
SEASeattleOn-time likelySEA delay board →
BZNBozemanOn-time likelyBZN delay board →
SEA→BZNevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow on this route

Forecast

Seattle to Bozeman with Delta Air Lines · Sat 31 Oct, local date

Outlook: below usual
Chance a departure is cancelled
1.9%0.7× usual
Chance a departure leaves 60+ min late
7.4%0.7× usual

Forecast weather: 41% chance of fog at Seattle

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to Bozeman flights today

same route · Delta Air Lines
DL4104departs 12:04

If DL4039 is cancelled, this is the other Delta Air Lines nonstop flight from Seattle to Bozeman on the same day, with scheduled departure times in SEA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL4039 actually runs

Pro Flight Search has tracked every published board update for DL4039 across the SEA and BZN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SEA and BZN.

The verdict above is that record speaking, so it reflects how DL4039 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-29SEA 19:50BZN
10-28SEA 19:50BZN
10-27SEA 19:50BZN

Board clocks recorded as SEA and BZN published them.

Planning around DL4039? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: DL4039 Seattle to Bozeman on-time performance, measured from the SEA and BZN airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4039
How we measure this →