On-Time Report

Airports › Sacramento (SMF) › April 2026

Airport month · April 2026

Sacramento International in April 2026

81.9%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 2026, reporting carriers scheduled 4,672 domestic departures from Sacramento International (SMF). 81.9% left less than 15 minutes late and 83.3% reached their destination on time; 0.4% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so SMF departures were 2.8 points above the national departure figure.

A year earlier, in April 2025, the airport had 4,938 departures with 84.2% leaving on time: a change of −2.3 points, with flights down 5%.

Flights arriving at SMF that month were on time 80.4% of the time (4,673 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 35% and national aviation system 16%.

Every scheduled departure from SMF in April 2026, judged by arrival at the destination.

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

MeasureApr 2026Apr 2025SMF, 12 months to Jul 2026All reported flights, Apr 2026
Departed on time81.9%84.2%80.0%79.1%
Arrived on time83.3%84.5%81.4%78.9%
Cancelled0.4%0.3%0.7%0.9%
Average departure delay (late minutes only)10.3 min9.5 min12.1 min14.5 min
Scheduled departures a day15616515419,931
Scheduled departures4,6724,93856,306597,919

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines2,64657%81.0%2.6 min0.3%
OO SkyWest Airlines68715%85.4%-1.3 min0.1%
UA United Airlines3798%91.0%-8.1 min0.3%
AS Alaska Airlines3267%85.3%-3.1 min0.3%
AA American Airlines3087%80.8%0.5 min1.3%
DL Delta Air Lines2596%92.3%-7.2 min0.8%
F9 Frontier Airlines511%72.5%13.2 min3.9%
MQ Envoy Air160%87.5%2.5 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
SMF–LAXSacramento to Los Angeles47187.5%-2.9 min0.6%
SMF–SANSacramento to San Diego45276.1%6.4 min0.7%
SMF–SEASacramento to Seattle36985.6%-3.5 min0.0%
SMF–PHXSacramento to Phoenix33985.3%-1.2 min0.0%
SMF–LASSacramento to Las Vegas31279.8%8.0 min0.0%
SMF–DENSacramento to Denver29086.9%-2.9 min0.0%
SMF–BURSacramento to Burbank22388.3%-2.8 min1.3%
SMF–SNASacramento to Santa Ana18980.4%1.3 min0.5%
SMF–ONTSacramento to Ontario18483.7%-0.2 min0.0%
SMF–SLCSacramento to Salt Lake City17387.3%-2.6 min0.6%
SMF–PDXSacramento to Portland15888.6%-1.4 min0.0%
SMF–ORDSacramento to Chicago14977.9%9.8 min2.0%

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), April 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Apr 2026Minutes
Air carrier34.8%33.5%13,138
Late-arriving aircraft48.3%40.4%18,276
National Aviation System15.9%21.0%5,994
Extreme weather0.9%5.0%356
Security0.1%0.1%41
37,805 delay minutes on 751 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← March 2026May 2026 →

Questions and answers

How many flights left SMF on time in April 2026?

81.9% of 4,672 scheduled domestic departures left less than 15 minutes late, and 83.3% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 84.2% of 4,938 departures left on time and 0.3% were cancelled, against 81.9% and 0.4% in April 2026.

Provenance

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