| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 21 | BOS | SLC | 06:05 | 09:17 |
Scheduled
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| Jul 20 | BOS | SLC | 06:35 | 09:14 |
Landed
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| Jul 19 | BOS | SLC | 06:22 | 08:57 |
Landed
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| Jul 18 | BOS | SLC | 06:19 | 08:55 |
Landed
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| Jul 17 | BOS | SLC | 06:35 | 09:03 |
Landed
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| Jul 16 | BOS | SLC | 06:26 | 09:03 |
Landed
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| Jul 15 | BOS | SLC | 06:50 | 09:19 |
Landed
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| Jul 14 | BOS | SLC | 06:25 | 08:50 |
Landed
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| Jul 13 | BOS | SLC | 06:21 | 08:43 |
Landed
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| Jul 12 | BOS | SLC | 06:18 | 08:44 |
Landed
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Korean Air Flight KE3978 connects Boston, United States to Salt Lake City, United States, taking off from Boston Logan International Airport BOS and landing at Salt Lake City International Airport SLC.
How long is the KE3978 flight from Boston to Salt Lake City?
The average flight time from Boston to Salt Lake City is 4 hours and 30 minutes. The flight distance is 3379 km / 2100 miles and the average flight speed is 739 km/h / 459 mph.
How many KE3978 flights are operated per week?
7 flights per week. The flight KE3978 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Korean Air Flight KE3978 Boston to Salt Lake City?
The Airportia On-Time Performance Rating for Korean Air Flight KE3978 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest KE3978 flight?
The latest flight took off on Tuesday, July 21st, 2026 with the flight status being Scheduled on 09:17.
How else can the flight KE3978 be referenced as?
This Korean Air flight can also be referenced as KAL3978, KE 3978, KAL 3978.
How often is flight KE3978 delayed?
On average, 10% of all KE3978 flights are delayed. The average delay is 2 minutes.
Can I get compensation for my delayed or cancelled KE3978 flight or baggage issues?
If your KE3978 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our KE3978 Flight Tracker above for more details.
Other flights departing from Boston BOS: AA418, B6619, DL2611, UA1833
Other flights arriving at Salt Lake City SLC: DL859, DL1977, DL2716, DL2142
All flights connecting Boston BOS to Salt Lake City SLC.
