Salt Lake City International in February 2025

82.4%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In February 2025, reporting carriers scheduled 8,786 domestic departures from Salt Lake City International (SLC). 82.4% left less than 15 minutes late and 82.2% reached their destination on time; 0.4% were cancelled.

Nationally that month, 79.2% of flights departed on time and 77.9% arrived on time, so SLC departures were 3.2 points above the national departure figure.

A year earlier, in February 2024, the airport had 8,723 departures with 85.9% leaving on time: a change of −3.5 points, with flights up 1%.

Flights arriving at SLC that month were on time 82.4% of the time (8,789 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 25% and national aviation system 22%.

On time 82.2%
Arrived 15+ minutes late 17.2%
Cancelled 0.4%
Diverted 0.2%

Every scheduled departure from SLC in February 2025, judged by arrival at the destination.

February 2025 against a year earlier, the airport's year and the nation

Measure	Feb 2025	Feb 2024	SLC, 12 months to Jul 2026	All reported flights, Feb 2025
Departed on time	82.4%	85.9%	84.0%	79.2%
Arrived on time	82.2%	84.6%	83.8%	77.9%
Cancelled	0.4%	0.2%	0.8%	1.5%
Average departure delay (late minutes only)	12.2 min	9.3 min	11.0 min	15.3 min
Scheduled departures a day	293	291	323	16,830
Scheduled departures	8,786	8,723	117,896	504,884

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	4,091	47%	82.6%	0.2 min	0.0%
OO SkyWest Airlines	2,483	28%	85.9%	-2.4 min	0.8%
WN Southwest Airlines	992	11%	77.3%	1.7 min	0.1%
UA United Airlines	445	5%	80.0%	3.5 min	0.2%
AA American Airlines	312	4%	79.5%	-0.3 min	1.3%
F9 Frontier Airlines	215	2%	77.2%	6.2 min	0.5%
AS Alaska Airlines	81	1%	64.2%	13.3 min	3.7%
B6 JetBlue Airways	64	1%	70.3%	11.6 min	1.6%
NK Spirit Airlines	56	1%	69.6%	7.3 min	0.0%
HA Hawaiian Airlines	28	0%	78.6%	5.9 min	0.0%
MQ Envoy Air	19	0%	94.7%	-9.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SLC–DEN	Salt Lake City to Denver	614	76.4%	5.3 min	0.0%
SLC–PHX	Salt Lake City to Phoenix	471	82.6%	-1.3 min	0.2%
SLC–LAX	Salt Lake City to Los Angeles	378	86.5%	-3.3 min	0.0%
SLC–LAS	Salt Lake City to Las Vegas	318	69.8%	12.8 min	0.0%
SLC–DFW	Salt Lake City to Dallas/Fort Worth	305	79.7%	0.9 min	1.6%
SLC–SFO	Salt Lake City to San Francisco	284	71.1%	9.4 min	1.1%
SLC–SEA	Salt Lake City to Seattle	281	82.6%	-2.6 min	1.1%
SLC–ORD	Salt Lake City to Chicago	246	76.4%	15.8 min	0.4%
SLC–ATL	Salt Lake City to Atlanta	228	83.3%	-4.2 min	0.0%
SLC–SAN	Salt Lake City to San Diego	194	76.8%	5.4 min	0.0%
SLC–IAH	Salt Lake City to Houston	174	82.8%	-1.2 min	0.0%
SLC–JFK	Salt Lake City to New York	172	77.9%	1.3 min	0.6%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), February 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Feb 2025	Minutes
Air carrier	45.3%	33.9%	43,156
Late-arriving aircraft	24.9%	36.9%	23,760
National Aviation System	21.8%	22.5%	20,734
Extreme weather	8.0%	6.6%	7,616
Security	0.0%	0.1%	22

95,288 delay minutes on 1,514 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left SLC on time in February 2025?

82.4% of 8,786 scheduled domestic departures left less than 15 minutes late, and 82.2% reached their destination on time. The national figures that month were 79.2% and 77.9%.

How does that compare with a year earlier?

In February 2024, 85.9% of 8,723 departures left on time and 0.2% were cancelled, against 82.4% and 0.4% in February 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for February 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SLC · methodology · corrections.