Salt Lake City International in June 2024

79.2%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 June 2024, reporting carriers scheduled 9,610 domestic departures from Salt Lake City International (SLC). 79.2% left less than 15 minutes late and 79.6% reached their destination on time; 0.3% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so SLC departures were 5.5 points above the national departure figure.

Flights arriving at SLC that month were on time 81.4% of the time (9,606 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 54%, late-arriving aircraft 28% and national aviation system 13%.

On time 79.6%
Arrived 15+ minutes late 19.7%
Cancelled 0.3%
Diverted 0.4%

Every scheduled departure from SLC in June 2024, judged by arrival at the destination.

June 2024 against a year earlier, the airport's year and the nation

Measure	Jun 2024	Year earlier	SLC, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	79.2%	—	84.0%	73.7%
Arrived on time	79.6%	—	83.8%	73.9%
Cancelled	0.3%	—	0.8%	1.3%
Average departure delay (late minutes only)	16.0 min	—	11.0 min	19.7 min
Scheduled departures a day	320	—	323	20,371
Scheduled departures	9,610	—	117,896	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	4,712	49%	79.5%	7.0 min	0.0%
OO SkyWest Airlines	2,578	27%	85.6%	4.4 min	0.1%
WN Southwest Airlines	1,013	11%	73.6%	9.4 min	0.4%
UA United Airlines	339	4%	75.5%	6.8 min	1.5%
AA American Airlines	305	3%	74.1%	14.0 min	2.6%
F9 Frontier Airlines	289	3%	63.0%	28.7 min	2.4%
B6 JetBlue Airways	118	1%	72.9%	20.9 min	0.8%
NK Spirit Airlines	115	1%	70.4%	13.5 min	0.9%
AS Alaska Airlines	111	1%	79.3%	1.6 min	0.0%
HA Hawaiian Airlines	30	0%	100.0%	-13.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SLC–DEN	Salt Lake City to Denver	686	73.8%	11.2 min	0.7%
SLC–PHX	Salt Lake City to Phoenix	443	81.5%	5.9 min	0.5%
SLC–SEA	Salt Lake City to Seattle	382	73.3%	8.5 min	0.0%
SLC–LAX	Salt Lake City to Los Angeles	345	78.0%	10.3 min	0.3%
SLC–DFW	Salt Lake City to Dallas/Fort Worth	343	73.5%	16.5 min	0.9%
SLC–LAS	Salt Lake City to Las Vegas	340	73.5%	12.5 min	0.9%
SLC–SFO	Salt Lake City to San Francisco	264	64.4%	18.9 min	0.0%
SLC–ORD	Salt Lake City to Chicago	242	76.4%	13.8 min	0.8%
SLC–ATL	Salt Lake City to Atlanta	241	84.6%	1.3 min	0.4%
SLC–SAN	Salt Lake City to San Diego	221	74.7%	10.1 min	0.0%
SLC–PDX	Salt Lake City to Portland	218	82.1%	8.2 min	0.5%
SLC–SMF	Salt Lake City to Sacramento	170	84.7%	1.3 min	0.0%

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), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	53.5%	34.4%	72,198
Late-arriving aircraft	27.7%	41.5%	37,450
National Aviation System	12.9%	17.8%	17,452
Extreme weather	5.8%	6.0%	7,879
Security	0.1%	0.2%	90

135,069 delay minutes on 1,892 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 June 2024?

79.2% of 9,610 scheduled domestic departures left less than 15 minutes late, and 79.6% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; 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.