Salt Lake City International in October 2024

89.1%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 October 2024, reporting carriers scheduled 9,446 domestic departures from Salt Lake City International (SLC). 89.1% left less than 15 minutes late and 88.9% reached their destination on time; 0.2% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so SLC departures were 3.6 points above the national departure figure.

A year earlier, in October 2023, the airport had 9,414 departures with 89.2% leaving on time: a change of −0.1 points, with flights up 0%.

Flights arriving at SLC that month were on time 90.7% of the time (9,445 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 59%, late-arriving aircraft 22% and national aviation system 16%.

On time 88.9%
Arrived 15+ minutes late 10.8%
Cancelled 0.2%
Diverted 0.2%

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

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

Measure	Oct 2024	Oct 2023	SLC, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	89.1%	89.2%	84.0%	85.5%
Arrived on time	88.9%	89.3%	83.8%	85.8%
Cancelled	0.2%	0.1%	0.8%	1.0%
Average departure delay (late minutes only)	7.7 min	7.0 min	11.0 min	9.4 min
Scheduled departures a day	315	314	323	20,517
Scheduled departures	9,446	9,414	117,896	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	4,704	50%	88.1%	-2.0 min	0.2%
OO SkyWest Airlines	2,519	27%	93.5%	-4.4 min	0.0%
WN Southwest Airlines	987	10%	85.0%	2.3 min	0.1%
UA United Airlines	329	3%	90.0%	-5.1 min	0.3%
AA American Airlines	306	3%	86.3%	-0.8 min	0.0%
F9 Frontier Airlines	304	3%	79.9%	11.1 min	0.3%
AS Alaska Airlines	93	1%	84.9%	-3.7 min	1.1%
NK Spirit Airlines	90	1%	80.0%	-3.4 min	2.2%
B6 JetBlue Airways	83	1%	89.2%	-5.6 min	0.0%
HA Hawaiian Airlines	31	0%	90.3%	-2.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SLC–DEN	Salt Lake City to Denver	661	87.4%	1.5 min	0.0%
SLC–PHX	Salt Lake City to Phoenix	488	88.9%	-1.0 min	0.0%
SLC–LAS	Salt Lake City to Las Vegas	387	77.8%	6.9 min	0.5%
SLC–SEA	Salt Lake City to Seattle	335	90.7%	-8.5 min	0.3%
SLC–DFW	Salt Lake City to Dallas/Fort Worth	325	83.4%	5.5 min	0.0%
SLC–LAX	Salt Lake City to Los Angeles	316	89.6%	-2.2 min	0.0%
SLC–SFO	Salt Lake City to San Francisco	288	84.7%	2.0 min	0.0%
SLC–ORD	Salt Lake City to Chicago	267	85.0%	3.2 min	0.0%
SLC–ATL	Salt Lake City to Atlanta	249	88.4%	-3.7 min	0.0%
SLC–PDX	Salt Lake City to Portland	212	93.9%	-8.4 min	0.0%
SLC–SAN	Salt Lake City to San Diego	212	81.6%	7.6 min	0.0%
SLC–SMF	Salt Lake City to Sacramento	177	90.4%	-3.9 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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	58.5%	42.7%	37,048
Late-arriving aircraft	22.1%	37.4%	13,981
National Aviation System	15.9%	16.3%	10,096
Extreme weather	3.4%	3.4%	2,168
Security	0.1%	0.2%	34

63,327 delay minutes on 1,017 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 October 2024?

89.1% of 9,446 scheduled domestic departures left less than 15 minutes late, and 88.9% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 89.2% of 9,414 departures left on time and 0.1% were cancelled, against 89.1% and 0.2% in October 2024.

Provenance

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