PlainFlights

SLC vs DAL - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
SLC

Salt Lake City, UT

Salt Lake City, Utah

View full profile →
Airport B
DAL

Dallas, TX

Dallas, Texas

View full profile →

Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric SLC DAL
On-Time Rate (higher is better) 85.8% 77.6%
Avg Delay (lower is better) 76.0 min 58.5 min
Delay Rate (lower is better) 14.2% 22.4%
Cancellation Rate (lower is better) 0.57% 1.40%
Total Flights 1,319,985 791,209
Delayed Flights 186,884 177,235
Cancelled Flights 7,511 11,096
Top Delay Cause Carrier Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

SLC - Salt Lake City, UT

Carrier 50.6%
Late Aircraft 25.1%
NAS 16.2%
Weather 8.1%
Security 0.1%

DAL - Dallas, TX

Late Aircraft 49.1%
Carrier 32.6%
NAS 14.6%
Weather 3.4%
Security 0.3%

Top Routes

Top routes from SLC

Route Flights On-Time
DEN → SLC
Salt Lake City
43,089 78.3%
SLC → DEN
Denver
43,051 78.8%
SLC → PHX
Phoenix
30,395 83.2%
PHX → SLC
Salt Lake City
30,355 84.5%
LAX → SLC
Salt Lake City
27,163 87.1%
SLC → LAX
Los Angeles
27,094 84.2%

Top routes from DAL

Route Flights On-Time
DAL → HOU
Houston
23,563 80.6%
HOU → DAL
Dallas
23,517 82.5%
ATL → DAL
Dallas
19,678 82.5%
DAL → ATL
Atlanta
19,618 82%
DAL → DEN
Denver
17,984 76.7%
DEN → DAL
Dallas
17,924 74.6%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.