Salt Lake City International in July 2026

80.1%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 July 2026, reporting carriers scheduled 10,368 domestic departures from Salt Lake City International (SLC). 80.1% left less than 15 minutes late and 78.3% reached their destination on time; 0.8% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so SLC departures were 11.3 points above the national departure figure.

A year earlier, in July 2025, the airport had 10,346 departures with 80.1% leaving on time: a change of 0.0 points, with flights up 0%.

Flights arriving at SLC that month were on time 81.2% of the time (10,374 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, late-arriving aircraft 25% and national aviation system 21%.

On time 78.3%
Arrived 15+ minutes late 20.4%
Cancelled 0.8%
Diverted 0.5%

Every scheduled departure from SLC in July 2026, judged by arrival at the destination.

July 2026 against a year earlier, the airport's year and the nation

Measure	Jul 2026	Jul 2025	SLC, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	80.1%	80.1%	84.0%	68.8%
Arrived on time	78.3%	78.6%	83.8%	69.4%
Cancelled	0.8%	0.7%	0.8%	2.6%
Average departure delay (late minutes only)	14.6 min	15.1 min	11.0 min	24.1 min
Scheduled departures a day	346	345	323	21,066
Scheduled departures	10,368	10,346	117,896	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	4,810	46%	76.0%	9.4 min	1.0%
OO SkyWest Airlines	3,247	31%	86.5%	0.1 min	0.0%
WN Southwest Airlines	960	9%	72.7%	10.0 min	0.3%
AA American Airlines	420	4%	73.8%	18.2 min	2.1%
UA United Airlines	383	4%	67.6%	21.4 min	1.8%
F9 Frontier Airlines	267	3%	74.5%	11.2 min	3.4%
AS Alaska Airlines	210	2%	71.4%	9.2 min	0.0%
B6 JetBlue Airways	62	1%	48.4%	29.0 min	16.1%
MQ Envoy Air	9	0%	88.9%	-6.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SLC–DEN	Salt Lake City to Denver	659	76.6%	10.1 min	0.3%
SLC–PHX	Salt Lake City to Phoenix	447	78.5%	11.3 min	0.9%
SLC–SEA	Salt Lake City to Seattle	411	74.0%	9.0 min	0.2%
SLC–LAX	Salt Lake City to Los Angeles	336	82.7%	1.7 min	0.6%
SLC–DFW	Salt Lake City to Dallas/Fort Worth	327	71.6%	14.8 min	1.5%
SLC–LAS	Salt Lake City to Las Vegas	302	74.8%	11.1 min	1.0%
SLC–SFO	Salt Lake City to San Francisco	296	39.2%	37.9 min	1.4%
SLC–ORD	Salt Lake City to Chicago	276	69.9%	20.1 min	3.6%
SLC–SAN	Salt Lake City to San Diego	271	73.1%	8.8 min	0.0%
SLC–ATL	Salt Lake City to Atlanta	249	71.5%	12.6 min	0.8%
SLC–PDX	Salt Lake City to Portland	240	85.8%	-0.1 min	2.1%
SLC–SMF	Salt Lake City to Sacramento	206	82.0%	11.8 min	1.9%

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), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	47.1%	31.7%	67,302
Late-arriving aircraft	24.6%	41.8%	35,060
National Aviation System	21.1%	19.9%	30,147
Extreme weather	7.2%	6.5%	10,256
Security	0.0%	0.1%	0

142,765 delay minutes on 2,113 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 July 2026?

80.1% of 10,368 scheduled domestic departures left less than 15 minutes late, and 78.3% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 80.1% of 10,346 departures left on time and 0.7% were cancelled, against 80.1% and 0.8% in July 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; 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.