Boston (BOS) – Salt Lake City (SLC)
- Distance
- 3,388 km
- 2,105 mi · 1,830 nm
- Flight time
- 5 h 24 min / 4 h 28 min
- Average gate to gate: BOS → SLC / back
- Time difference
- 2 h
- CO2 per passenger
- 425 kg
- One way, economy, incl. RF (251 kg CO2 only)
- Passengers / year
- 388,746
- Aug 2025 – Jul 2026 · −3.6%
- Flights / week
- 47
- Both directions, average
- Seats filled
- 85%
- 458,897 seats a year
- Airlines nonstop
- 2
- DL, B6
Traffic: U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service), Aug 2025 – Jul 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources
The way there
- Heading from BOS
- 281°
- Heading from SLC
- 73°
- Halfway point
- 43.45, -91.75
- Great-circle km
- 3,380 km (sphere, for EU261)
- In the air BOS → SLC
- 4 h 53 min
- In the air SLC → BOS
- 3 h 59 min
- Clocks
- Salt Lake City is 2 h behind Boston
The estimate for a route without real times is 4 h 45 min; how it is worked out is on Sources.
Show as a table
| Month | Passengers |
|---|---|
| Aug 2025 | 37,901 |
| Sep 2025 | 30,767 |
| Oct 2025 | 31,872 |
| Nov 2025 | 27,631 |
| Dec 2025 | 31,333 |
| Jan 2026 | 25,948 |
| Feb 2026 | 28,797 |
| Mar 2026 | 39,070 |
| Apr 2026 | 28,667 |
| May 2026 | 30,744 |
| Jun 2026 | 36,374 |
| Jul 2026 | 39,642 |
Show as a table
| Month | Flights |
|---|---|
| Aug 2025 | 230 |
| Sep 2025 | 185 |
| Oct 2025 | 184 |
| Nov 2025 | 194 |
| Dec 2025 | 210 |
| Jan 2026 | 170 |
| Feb 2026 | 204 |
| Mar 2026 | 264 |
| Apr 2026 | 184 |
| May 2026 | 184 |
| Jun 2026 | 221 |
| Jul 2026 | 238 |
Airlines flying BOS–SLC nonstop
| Airline | Flights / week | Share of passengers |
|---|---|---|
| DLDelta Air Lines | 41 | 90% |
| B6JetBlue Airways | 6.3 | 10% |
Both directions, Aug 2025 – Jul 2026. Airlines with at least one flight a month. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service). Sources
Aircraft on this route
- Airbus Industrie A321-200n · 2,061 flights
- A220-300 BD-500-1A11 · 346 flights
- Airbus Industrie A321Neoxlr · 39 flights
- Boeing 737-800 · 18 flights
- Airbus Industrie A319 · 2 flights
- Boeing 737-900ER · 2 flights
Also carried: 192 tonnes of freight and 45 tonnes of mail a year (passenger and cargo flights).
Punctuality
- On time
- 78.8%
- Arrived within 15 min of schedule
- Average delay
- 15 min
- Late arrivals count, early ones as 0
- Cancelled
- 1.9%
- Flights counted
- 2,512
- Aug 2025 – Jul 2026
| Airline | On time | Average delay |
|---|---|---|
| DLDelta Air Lines | 81.1% | 13 min |
| B6JetBlue Airways | 63.5% | 24 min |
Delay minutes by cause: airline 38% · aircraft arriving late 31% · air traffic system 29% · weather 2% · security 0%.
Both directions, Aug 2025 – Jul 2026. BTS Reporting Carrier On-Time Performance (US domestic flights of the larger US airlines). Sources
What passengers paid
- Average fare, Q1 2026
- $432
- One way, all cabins
- Average over a year
- $382
- Q2 2025 – Q1 2026
- Largest airline
- Delta Air Lines
- 68% of passengers · $501
- Lowest-fare airline
- JetBlue Airways
- 16% of passengers · $300
History, not a price to book: what the average passenger paid per one-way trip in each quarter (Q2 2025 $358 · Q3 2025 $344 · Q4 2025 $403 · Q1 2026 $432).
Fare outlook, Q1 2027: about $441, likely $381–$503
The average fare paid we expect a year after Q1 2026, the newest DOT quarter. On this route, past forecasts made this way fell inside the range 95% of the time over 21 quarters (median error 7.3%). An estimate from US DOT data: not a price you can book, not a guarantee, not advice on when to buy. How the outlook works
Cheapest quarter on this route: Q2, typically 5% below the year's average (9 years of DOT data, without 2020–21).
U.S. DOT Consumer Airfare Report, Table 1a (airline ticket sample, US domestic airport pairs). Sources
Delay compensation (EU261 / UK261)
Measured by great-circle distance: 3,380 km.
Neither EU261 nor UK261 covers this route: it neither starts nor ends in the EU, EEA, Switzerland or the UK. Other countries have their own rules (for example Canada's APPR or Brazil's ANAC rules).
Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.