Denver (DEN) – Salt Lake City (SLC)

Distance, flight time and the airlines that fly it, from open data.
Distance
629 km
391 mi · 340 nm
Flight time
1 h 31 min / 1 h 32 min
Average gate to gate: DEN → SLC / back
Time difference
none
CO2 per passenger
79 kg
One way, economy, incl. RF (47 kg CO2 only)
Passengers / year
1,802,673
Aug 2025 – Jul 2026 · −3.0%
Flights / week
301
Both directions, average
Seats filled
79%
2,277,049 seats a year
Airlines nonstop
5
WN, UA, DL

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

Great circle from DEN to SLCDENSLC
Shortest path over the earth's surface (great circle). Real flights bend around weather, winds and airspace.

The way there

Heading from DEN
282°
Heading from SLC
97°
Halfway point
40.38, -108.30
Great-circle km
628 km (sphere, for EU261)
In the air DEN → SLC
1 h 6 min
In the air SLC → DEN
1 h
Clocks
Same time in both

The estimate for a route without real times is 1 h 30 min; how it is worked out is on Sources.

Passengers per month, both directions (Aug 2025 – Jul 2026)Busiest: October 2025: 164,474 passengers
0100K200KAugSepOct164.5KNovDecJanFebMarAprMayJunJul
Show as a table
Month Passengers
Aug 2025163,485
Sep 2025159,996
Oct 2025164,474
Nov 2025129,663
Dec 2025145,578
Jan 2026143,261
Feb 2026140,151
Mar 2026147,039
Apr 2026137,043
May 2026150,824
Jun 2026160,664
Jul 2026160,495
Flights per month, both directions (Aug 2025 – Jul 2026)Busiest: August 2025: 1,358 flights
05001K1.5KAug1.4KSepOctNovDecJanFebMarAprMayJunJul
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Month Flights
Aug 20251,358
Sep 20251,305
Oct 20251,343
Nov 20251,161
Dec 20251,263
Jan 20261,284
Feb 20261,243
Mar 20261,350
Apr 20261,296
May 20261,337
Jun 20261,336
Jul 20261,351

Airlines flying DEN–SLC nonstop

Airline Flights / week Share of passengers
WNSouthwest Airlines89
33%
UAUnited Air Lines51
20%
DLDelta Air Lines65
19%
F9Frontier Airlines39
19%
OOSkyWest Airlines56
9%

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

  • Boeing 737-800 · 2,702 flights
  • Embraer ERJ-175 · 2,313 flights
  • Boeing B737 Max 800 · 2,220 flights
  • Boeing 737-700/700LR/Max 7 · 1,452 flights
  • A200-100 BD-500-1A10 · 1,213 flights
  • Airbus Industrie A320-200n · 1,023 flights
  • Airbus Industrie A319 · 1,003 flights
  • Airbus Industrie A320-100/200 · 934 flights

Also carried: 1,105 tonnes of freight and 3 tonnes of mail a year (passenger and cargo flights).

Punctuality

On time
78.9%
Arrived within 15 min of schedule
Average delay
14 min
Late arrivals count, early ones as 0
Cancelled
0.4%
Flights counted
15,461
Aug 2025 – Jul 2026
Airline On time Average delay
WNSouthwest Airlines72.8%15 min
DLDelta Air Lines82.1%14 min
OOSkyWest Airlines82.9%12 min
UAUnited Air Lines79.8%13 min
F9Frontier Airlines80.7%14 min

Delay minutes by cause: airline 36% · aircraft arriving late 39% · air traffic system 23% · weather 3% · 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
$193
One way, all cabins
Average over a year
$179
Q3 2025 – Q1 2026
Largest airline
Delta Air Lines
32% of passengers · $207
Lowest-fare airline
Frontier Airlines
16% of passengers · $111

History, not a price to book: what the average passenger paid per one-way trip in each quarter (Q3 2025 $168 · Q4 2025 $177 · Q1 2026 $193).

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: 628 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.

Every airport pair between Denver and Salt Lake City

SLC
DEN629
BJC591

Kilometres. Linked numbers have a page of their own. All Denver airports

More routes from DEN

Route Distance Passengers / year
DEN → PHX968 km 2,417,314
DEN → LAX1,387 km 2,043,500
DEN → LAS1,011 km 2,041,165
DEN → ORD1,430 km 1,974,190
DEN → SEA1,648 km 1,819,437
DEN → DFW1,032 km 1,745,260
DEN → SFO1,556 km 1,743,354
DEN → MSP1,094 km 1,715,510
DEN → ATL1,930 km 1,697,204
DEN → SAN1,372 km 1,660,071

More routes from SLC

Route Distance Passengers / year
SLC → PHX816 km 1,273,366
SLC → SEA1,108 km 1,106,553
SLC → LAX949 km 1,093,873
SLC → DFW1,591 km 1,062,242
SLC → ATL2,559 km 1,015,193
SLC → LAS591 km 995,387
SLC → SAN1,007 km 776,818
SLC → ORD2,011 km 772,727
SLC → SFO964 km 705,455
SLC → PDX1,013 km 600,342

Questions

Denver (DEN) and Salt Lake City (SLC) are 629 km (391 miles, 340 nautical miles) apart, measured along the shortest path over the earth's surface.