On-Time Report

Airports › San Francisco (SFO) › March 2025

Airport month · March 2025

San Francisco International in March 2025

80.6%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 2025, reporting carriers scheduled 11,887 domestic departures from San Francisco International (SFO). 80.6% left less than 15 minutes late and 80.3% reached their destination on time; 0.6% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so SFO departures were 0.7 points above the national departure figure.

A year earlier, in March 2024, the airport had 10,894 departures with 70.0% leaving on time: a change of +10.6 points, with flights up 9%.

Flights arriving at SFO that month were on time 75.1% of the time (11,899 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 29% and national aviation system 23%.

Every scheduled departure from SFO in March 2025, judged by arrival at the destination.

March 2025 against a year earlier, the airport's year and the nation

MeasureMar 2025Mar 2024SFO, 12 months to Jul 2026All reported flights, Mar 2025
Departed on time80.6%70.0%75.1%79.9%
Arrived on time80.3%70.7%75.6%79.3%
Cancelled0.6%0.9%1.0%1.2%
Average departure delay (late minutes only)15.2 min21.0 min17.8 min14.9 min
Scheduled departures a day39636340420,029
Scheduled departures11,88710,894147,566600,872

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
UA United Airlines4,61039%83.3%-0.4 min0.1%
OO SkyWest Airlines3,01825%77.1%8.4 min1.3%
DL Delta Air Lines1,0829%83.4%2.7 min0.2%
AA American Airlines9828%80.8%7.1 min0.9%
AS Alaska Airlines7787%76.3%8.5 min0.4%
WN Southwest Airlines6445%75.3%12.4 min0.6%
F9 Frontier Airlines3873%72.1%12.9 min2.1%
B6 JetBlue Airways3123%84.3%-2.8 min0.3%
HA Hawaiian Airlines741%82.4%2.6 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
SFO–LAXSan Francisco to Los Angeles91779.4%6.6 min0.2%
SFO–SEASan Francisco to Seattle55377.8%3.8 min0.4%
SFO–SANSan Francisco to San Diego53976.3%9.7 min0.4%
SFO–LASSan Francisco to Las Vegas53477.2%9.4 min0.6%
SFO–JFKSan Francisco to New York52280.7%6.2 min0.2%
SFO–PHXSan Francisco to Phoenix47977.0%13.2 min0.2%
SFO–DENSan Francisco to Denver47082.6%-1.4 min0.6%
SFO–ORDSan Francisco to Chicago39581.3%1.7 min0.0%
SFO–EWRSan Francisco to Newark35678.7%4.3 min0.0%
SFO–DFWSan Francisco to Dallas/Fort Worth34372.0%15.8 min2.3%
SFO–BOSSan Francisco to Boston32783.2%4.2 min0.0%
SFO–SLCSan Francisco to Salt Lake City32176.6%10.6 min0.3%

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 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Mar 2025Minutes
Air carrier29.3%33.0%46,848
Late-arriving aircraft46.0%39.2%73,535
National Aviation System22.5%21.9%35,881
Extreme weather2.2%5.9%3,457
Security0.0%0.1%9
159,730 delay minutes on 2,236 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← February 2025April 2025 →

Questions and answers

How many flights left SFO on time in March 2025?

80.6% of 11,887 scheduled domestic departures left less than 15 minutes late, and 80.3% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 70.0% of 10,894 departures left on time and 0.9% were cancelled, against 80.6% and 0.6% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2025; 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.