On-Time Report

Airports › San Francisco (SFO) › June 2025

Airport month · June 2025

San Francisco International in June 2025

79.6%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 June 2025, reporting carriers scheduled 12,622 domestic departures from San Francisco International (SFO). 79.6% left less than 15 minutes late and 77.2% reached their destination on time; 0.6% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so SFO departures were 8.2 points above the national departure figure.

A year earlier, in June 2024, the airport had 10,256 departures with 73.8% leaving on time: a change of +5.8 points, with flights up 23%.

Flights arriving at SFO that month were on time 74.7% of the time (12,620 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 31% and national aviation system 24%.

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

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

MeasureJun 2025Jun 2024SFO, 12 months to Jul 2026All reported flights, Jun 2025
Departed on time79.6%73.8%75.1%71.4%
Arrived on time77.2%76.9%75.6%70.3%
Cancelled0.6%0.7%1.0%1.6%
Average departure delay (late minutes only)13.6 min19.4 min17.8 min22.1 min
Scheduled departures a day42134240420,386
Scheduled departures12,62210,256147,566611,575

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
UA United Airlines4,99440%80.5%3.6 min0.3%
OO SkyWest Airlines2,89723%80.6%5.1 min0.1%
DL Delta Air Lines1,1879%78.1%8.0 min0.7%
AA American Airlines1,0628%73.4%9.7 min2.2%
AS Alaska Airlines1,0338%66.6%12.7 min1.3%
WN Southwest Airlines6785%65.6%14.7 min0.4%
B6 JetBlue Airways3783%79.9%4.2 min0.3%
F9 Frontier Airlines3072%56.7%32.6 min3.3%
HA Hawaiian Airlines861%77.9%6.9 min1.2%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
SFO–LAXSan Francisco to Los Angeles89879.7%4.1 min0.1%
SFO–SEASan Francisco to Seattle63165.5%11.7 min0.6%
SFO–JFKSan Francisco to New York58770.7%15.5 min1.2%
SFO–SANSan Francisco to San Diego57872.7%9.6 min0.3%
SFO–ORDSan Francisco to Chicago51172.8%6.9 min1.6%
SFO–LASSan Francisco to Las Vegas50078.8%6.3 min1.2%
SFO–DENSan Francisco to Denver46868.4%13.9 min0.9%
SFO–BOSSan Francisco to Boston43881.3%3.6 min0.0%
SFO–SNASan Francisco to Santa Ana39680.3%1.5 min1.0%
SFO–EWRSan Francisco to Newark38469.8%15.0 min2.3%
SFO–PHXSan Francisco to Phoenix36378.8%8.0 min0.6%
SFO–DFWSan Francisco to Dallas/Fort Worth36169.5%14.0 min2.2%

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), June 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2025Minutes
Air carrier31.0%31.6%50,572
Late-arriving aircraft43.1%40.6%70,332
National Aviation System24.2%20.9%39,538
Extreme weather1.5%6.9%2,453
Security0.1%0.2%152
163,047 delay minutes on 2,763 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2025July 2025 →

Questions and answers

How many flights left SFO on time in June 2025?

79.6% of 12,622 scheduled domestic departures left less than 15 minutes late, and 77.2% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 73.8% of 10,256 departures left on time and 0.7% were cancelled, against 79.6% and 0.6% in June 2025.

Provenance

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