On-Time Report

Airports › San Francisco (SFO) › March 2026

Airport month · March 2026

San Francisco International in March 2026

82.6%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 March 2026, reporting carriers scheduled 12,171 domestic departures from San Francisco International (SFO). 82.6% left less than 15 minutes late and 82.9% reached their destination on time; 1.0% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so SFO departures were 9.8 points above the national departure figure.

A year earlier, in March 2025, the airport had 11,887 departures with 80.6% leaving on time: a change of +2.0 points, with flights up 2%.

Flights arriving at SFO that month were on time 82.1% of the time (12,174 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, late-arriving aircraft 37% and national aviation system 20%.

Every scheduled departure from SFO in March 2026, judged by arrival at the destination.

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

MeasureMar 2026Mar 2025SFO, 12 months to Jul 2026All reported flights, Mar 2026
Departed on time82.6%80.6%75.1%72.8%
Arrived on time82.9%80.3%75.6%73.2%
Cancelled1.0%0.6%1.0%2.9%
Average departure delay (late minutes only)12.9 min15.2 min17.8 min20.3 min
Scheduled departures a day40639640420,403
Scheduled departures12,17111,887147,566612,102

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
UA United Airlines4,91940%84.7%-1.4 min0.6%
OO SkyWest Airlines2,80023%85.0%0.7 min0.5%
DL Delta Air Lines1,1189%85.1%-2.1 min2.8%
AA American Airlines9938%80.0%12.2 min1.8%
AS Alaska Airlines8987%83.9%-1.4 min1.1%
WN Southwest Airlines8777%70.5%11.5 min1.0%
B6 JetBlue Airways3313%74.6%5.3 min1.2%
F9 Frontier Airlines2352%76.6%4.4 min3.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
SFO–LAXSan Francisco to Los Angeles92784.3%1.4 min1.4%
SFO–JFKSan Francisco to New York53382.9%-2.1 min0.9%
SFO–SEASan Francisco to Seattle52884.1%-2.6 min3.0%
SFO–SANSan Francisco to San Diego49176.6%7.0 min0.8%
SFO–LASSan Francisco to Las Vegas48781.3%2.0 min0.4%
SFO–ORDSan Francisco to Chicago46173.1%8.5 min2.6%
SFO–PHXSan Francisco to Phoenix45284.1%7.0 min0.0%
SFO–DENSan Francisco to Denver44882.1%1.9 min0.9%
SFO–EWRSan Francisco to Newark37877.2%-1.2 min1.3%
SFO–SNASan Francisco to Santa Ana34589.3%-5.8 min0.6%
SFO–DFWSan Francisco to Dallas/Fort Worth33776.3%19.9 min0.9%
SFO–SLCSan Francisco to Salt Lake City32487.3%0.6 min0.9%

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), March 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Mar 2026Minutes
Air carrier41.7%33.5%57,800
Late-arriving aircraft36.9%39.3%51,163
National Aviation System19.7%21.0%27,254
Extreme weather1.7%5.9%2,393
Security0.0%0.2%14
138,624 delay minutes on 1,926 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← February 2026April 2026 →

Questions and answers

How many flights left SFO on time in March 2026?

82.6% of 12,171 scheduled domestic departures left less than 15 minutes late, and 82.9% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 80.6% of 11,887 departures left on time and 0.6% were cancelled, against 82.6% and 1.0% in March 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SFO · methodology · corrections.