BOS → SLCBoston to Salt Lake City

live

Direct flights from Boston (BOS) to Salt Lake City (SLC): 21 nonstop departures observed each week across 1 airline. 95% of the last 21 tracked flights arrived within 15 minutes of schedule. The median arrival is 14 minutes early. No cancellations were recorded across the 21 tracked flights. The nonstop covers 3,380 km, an estimated 4 hours 50 minutes in the air. Measured by Pro Flight Search from live flight boards at Boston and Salt Lake City. Updated 6 November 2026 at 08:08 UTC.

Today, BOS → SLC

Fri 6 Nov · local times
  1. 06:05 DL859Delta On scheduleGate A8 · TA ·
  2. 11:15 DL464Delta On scheduleGate A15 · TA ·

Checked BOS board 03:08 · SLC board 22:48

BOS Boston smooth · +9
SLC Salt Lake City smooth · +0
3,380 km · ~4h 50m est.
dep bank 06:05–18:5021x weekly
Runs reliable · 1 airline · 21x weekly · nonstop
95% on time

of the last 21 tracked BOS → SLC flights arrived within 15 minutes

Median arrival delay is −14 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−14 minacross the last 21 arrivals
Flight time~4h 50mestimated from route distance
Weekly departures21x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 21

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air Lines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Delta Air LinesDL95% on time

Flights DL859 06:05 daily · DL464 11:15 daily · DL445 18:50 daily

History

operated legs · board outcomes
11-05DL445dep −5 → arr−19
11-05DL464arrived−19
11-05DL859dep −5 → arr−33
11-04DL445dep +0 → arr−19
11-04DL464dep +115 → arr+89
11-04DL859dep −7 → arr−36
11-03DL445arrived−12
11-03DL464arrived−14
11-03DL859dep −5 → arr−23
11-02DL445dep +15 → arr−3
11-02DL464arrived−20
11-02DL859dep −5 → arr−25
11-01DL445dep −5 → arr−30
11-01DL464arrived−11
11-01DL859dep −5 → arr−14
10-31DL445arrived−14
10-31DL464dep −5 → arr−8
10-31DL859dep −5 → arr+1
10-30DL445dep −5 → arr+12
10-30DL464dep −5 → arr+8
10-30DL859dep −5 → arr−8

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BOSBoston +9 min smooth ⛅ overcast · SSE 4 kt Full BOS delay board →
SLCSalt Lake City +0 min smooth 🌤 clear · S 4 kt Full SLC delay board →

Weather lens

Conditions are tightest at BOS: a 42% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +13 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Boston to Salt Lake City route actually runs

Pro Flight Search records official board updates for nonstop BOS to SLC flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · 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: Boston (BOS) to Salt Lake City (SLC) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BOS-SLC
How we measure this →

BOS to SLC questions

Is BOS–SLC running on time right now?

Mostly on schedule. The departure side at BOS is the weaker end, route health score 70/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BOS–SLC?

Operators schedule morning departures around 06:05 and evening departures around 18:50 from BOS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SLC delay card to confirm conditions when you'd arrive.

How long is the flight from BOS to SLC?

Great-circle distance is 3,380 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 269–320 min gate-to-gate on this route.

How often does BOS–SLC fly?

Delta Air Lines runs the route with about 21 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.