Salt Lake City

SLC · KSLC

Salt Lake City International Airport

40.79°, -111.98°UT, United States

Passengers a year

27M

#23 busiest in the U.S.

109

nonstop destinations

40

airlines

342

departures a day

84.9%

arrivals on time

0.8%

flights cancelled

82.0%

load factor

The ten busiest routes from SLC, by passengers: DEN, PHX, SEA, LAX, DFW, ATL, LAS, SAN, ORD, SFOSLCSEAORDDENATLDFWPHXSANLASLAXSFO
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

Delta Air Lines is the largest carrier at Salt Lake City, with 70% of all passengers. 40 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

Delta Air Lines holds 70% of the airport — the 8th most concentrated of 30 large hubs. The nearest comparison is MSP at 71%.

AirlineSharePassengersSeats YoY
DL
Delta83% fullDelta Connection · operated by SkyWest
69.5%18.8M+1.1%
WN
Southwest74% full
9.9%2.7M-2.6%
UA
United81% fullUnited Express · operated by SkyWest, Mesa, CommuteAir
6.0%1.6M+15.9%
AA
American81% fullAmerican Eagle · operated by SkyWest, Envoy
5.5%1.5M+17.9%
F9
Frontier76% full
4.0%1.1M+10.1%
+Other airlines
5.1%1.4M—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

94 domestic and 15 international nonstop destinations from Salt Lake City, across 8 countries.

95% domestic · 5% international · by departing passengers

Top domestic destinations

  • Denver (DEN)

    913.5K departing · 79% full

    Southwest Airlines · United Airlines · Delta Air Lines · Frontier Airlines

  • Phoenix (PHX)

    643.6K departing · 74% full

    Delta Air Lines · Southwest Airlines · American Airlines · Frontier Airlines

  • Seattle (SEA)

    553.7K departing · 82% full

    Delta Air Lines · Alaska Airlines · Frontier Airlines

  • Los Angeles (LAX)

    552.7K departing · 81% full

    Delta Air Lines · Frontier Airlines · Southwest Airlines · United Airlines · American Airlines

  • Dallas-Fort Worth (DFW)

    529.7K departing · 85% full

    American Airlines · Delta Air Lines · Frontier Airlines

  • Atlanta (ATL)

    507.5K departing · 88% full

    Delta Air Lines

  • Las Vegas (LAS)

    502.7K departing · 75% full

    Delta Air Lines · Southwest Airlines · Frontier Airlines · Spirit Airlines

  • San Diego (SAN)

    381.6K departing · 82% full

    Delta Air Lines · Southwest Airlines · Alaska Airlines · Frontier Airlines

  • Chicago (ORD)

    375K departing · 81% full

    United Airlines · Delta Air Lines · American Airlines

  • San Francisco (SFO)

    351.4K departing · 79% full

    Delta Air Lines · United Airlines · Frontier Airlines

Top international destinations

  • Amsterdam, Netherlands (AMS)

    114.7K departing · 226.1K both ways

    Delta Air Lines · KLM

  • Paris, France (CDG)

    83.3K departing · 168.2K both ways

    Delta Air Lines

  • Cancún, Mexico (CUN)

    74.7K departing · 151.3K both ways

    Delta Air Lines

  • Seoul, South Korea (ICN)

    62.3K departing · 123.3K both ways

    Delta Air Lines

  • San José del Cabo, Mexico (SJD)

    60.3K departing · 121.3K both ways

    Delta Air Lines

  • Vancouver, Canada (YVR)

    49.7K departing · 99.1K both ways

    Delta Air Lines

  • Guadalajara, Mexico (GDL)

    48K departing · 96K both ways

    Aeroméxico

  • London, United Kingdom (LHR)

    47.3K departing · 91.6K both ways

    Delta Air Lines

  • Mexico City, Mexico (MEX)

    46.9K departing · 91.9K both ways

    Delta Air Lines · Aeroméxico

  • Calgary, Canada (YYC)

    43.5K departing · 88.5K both ways

    SkyWest Airlines

All nonstop destinations

109 nonstop · 15 airlines · 94 domestic / 15 intl

Aircraft

By share of departures at Salt Lake City.

Body class · share of departures

When Salt Lake City is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Departures a month · peak March 2026

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
11,438,028
1991
11,599,410
1992
12,270,184
1993
14,540,633
1994
16,600,664
1995
17,465,515
1996
20,022,622
1997
19,790,246
1998
19,184,754
1999
18,360,880
2000
18,303,841
2001
16,531,196
2002
16,202,384
2003
18,493,648
2004
18,308,076
2005
21,691,463
2006
21,066,546
2007
21,659,875
2008
20,484,289
2009
20,292,343
2010
20,299,906
2011
19,703,118
2012
19,334,222
2013
19,466,777
2014
20,386,603
2015
21,372,479
2016
22,349,990
2017
23,302,198
2018
24,519,966
2019
25,754,118
2020
12,006,569
2021
21,752,738
2022
24,873,752
2023
25,933,969
2024
27,155,293
2025
26,910,243
2026
11,103,386 so far

Arriving on time

Of every 100 flights landing at Salt Lake City, 85 touch down within 15 minutes of schedule, 14 arrive late, and 1 is cancelled.

See live FAA delays

Every 100 arrivals

On time 85Late 14Cancelled 1

11 min

average delay

896

flights cancelled

116.7K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

SkyWest Airlines 91.1%

Least reliable here

JetBlue Airways 65.9%

Among US airports

#23

On time, month by month

Darker is better · 81%–89%

The weak spot is July 2025, when 81% of arrivals landed on time — 3.9 points below the year. The strongest was September 2025 at 89%.

Frequently asked

How busy is Salt Lake City International Airport (SLC)?

Salt Lake City International Airport handled about 27M passengers over the trailing 12 months, ranking #23 among U.S. airports by passengers, with roughly 342 departures a day.

Which airline is the largest at Salt Lake City International Airport (SLC)?

Delta Air Lines is the largest carrier at Salt Lake City (SLC), flying about 70% of its passengers. 40 airlines serve Salt Lake City in total.

How many places can you fly nonstop from Salt Lake City International Airport (SLC)?

Salt Lake City (SLC) has 109 nonstop destinations — 94 domestic and 15 international across 8 countries.

How often do flights arrive on time at Salt Lake City International Airport (SLC)?

About 84.9% of flights arriving at Salt Lake City (SLC) touch down within 15 minutes of schedule, per US DOT figures. About 0.8% are cancelled.

What aircraft flies most from Salt Lake City International Airport (SLC)?

The Embraer E175 flew the largest share of departures from Salt Lake City (SLC), about 27% of the total.

Trip reports on YouTube

Fliers post trip reports from flights through Salt Lake City (SLC) to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.

  • QFS Aviation

    TRIP REPORT | Delta Airlines - A321 - New York (JFK) to Salt Lake City (SLC) | Economy

    31:33 · Nov 2018

    Watch on YouTube

  • Genki's Travels

    Alaska Airlines | Embraer E175 | First Class | Salt Lake City (SLC) to Portland (PDX) | Trip Report

    25:36 · Apr 2023

    Watch on YouTube

  • BrandonJohnson10K

    Delta Airlines First Class A220-300 SLC-CLE

    8:11 · Sep 2025

    Watch on YouTube

Source: YouTube. Titles, thumbnails, and channel names come from YouTube. Playing a video loads the YouTube player, and using it means you agree to the YouTube Terms of Service; the Google Privacy Policy applies.

Departing counts passengers leaving Salt Lake City; international destinations also show both directions. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).