Sacramento International in April 2024

82.5%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 April 2024, reporting carriers scheduled 4,392 domestic departures from Sacramento International (SMF). 82.5% left less than 15 minutes late and 83.1% reached their destination on time; 0.3% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so SMF departures were 2.0 points above the national departure figure.

Flights arriving at SMF that month were on time 81.7% of the time (4,394 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 47%, air carrier 37% and national aviation system 14%.

On time 83.1%
Arrived 15+ minutes late 16.3%
Cancelled 0.3%
Diverted 0.2%

Every scheduled departure from SMF in April 2024, judged by arrival at the destination.

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

Measure	Apr 2024	Year earlier	SMF, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	82.5%	—	80.0%	80.5%
Arrived on time	83.1%	—	81.4%	80.2%
Cancelled	0.3%	—	0.7%	0.7%
Average departure delay (late minutes only)	10.9 min	—	12.1 min	14.2 min
Scheduled departures a day	146	—	154	19,406
Scheduled departures	4,392	—	56,306	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,522	57%	82.6%	3.1 min	0.2%
OO SkyWest Airlines	661	15%	84.6%	0.2 min	0.5%
UA United Airlines	312	7%	86.9%	-1.8 min	0.3%
AA American Airlines	299	7%	76.9%	7.4 min	1.3%
DL Delta Air Lines	245	6%	92.7%	-3.3 min	0.0%
NK Spirit Airlines	141	3%	80.9%	3.0 min	0.0%
AS Alaska Airlines	65	1%	67.7%	9.0 min	0.0%
HA Hawaiian Airlines	61	1%	83.6%	4.0 min	1.6%
B6 JetBlue Airways	30	1%	90.0%	27.1 min	0.0%
MQ Envoy Air	30	1%	93.3%	-2.0 min	0.0%
F9 Frontier Airlines	26	1%	69.2%	23.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SMF–LAS	Sacramento to Las Vegas	481	79.8%	5.4 min	0.0%
SMF–SAN	Sacramento to San Diego	442	82.1%	5.7 min	0.0%
SMF–LAX	Sacramento to Los Angeles	436	84.9%	0.2 min	0.0%
SMF–PHX	Sacramento to Phoenix	329	88.1%	-0.8 min	0.3%
SMF–DEN	Sacramento to Denver	315	86.0%	0.7 min	0.3%
SMF–SEA	Sacramento to Seattle	307	79.8%	3.2 min	0.0%
SMF–BUR	Sacramento to Burbank	216	81.9%	3.8 min	0.9%
SMF–SNA	Sacramento to Santa Ana	182	91.2%	-5.9 min	0.0%
SMF–LGB	Sacramento to Long Beach	167	85.0%	2.0 min	1.2%
SMF–ONT	Sacramento to Ontario	154	83.8%	0.8 min	0.0%
SMF–SLC	Sacramento to Salt Lake City	149	89.9%	-5.0 min	0.0%
SMF–DFW	Sacramento to Dallas/Fort Worth	140	66.4%	19.1 min	2.9%

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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	37.2%	33.6%	14,723
Late-arriving aircraft	46.6%	41.0%	18,428
National Aviation System	14.4%	20.0%	5,700
Extreme weather	1.8%	5.1%	699
Security	0.1%	0.2%	32

39,582 delay minutes on 717 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 SMF on time in April 2024?

82.5% of 4,392 scheduled domestic departures left less than 15 minutes late, and 83.1% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 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 April 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SMF · methodology · corrections.