Oakland International in July 2025

74.4%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 July 2025, reporting carriers scheduled 3,046 domestic departures from Oakland International (OAK). 74.4% left less than 15 minutes late and 77.5% reached their destination on time; 1.1% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so OAK departures were 4.7 points above the national departure figure.

A year earlier, in July 2024, the airport had 3,726 departures with 75.1% leaving on time: a change of −0.7 points, with flights down 18%.

Flights arriving at OAK that month were on time 74.2% of the time (3,047 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 43% and national aviation system 12%.

On time 77.5%
Arrived 15+ minutes late 21.3%
Cancelled 1.1%
Diverted 0.2%

Every scheduled departure from OAK in July 2025, judged by arrival at the destination.

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

Measure	Jul 2025	Jul 2024	OAK, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	74.4%	75.1%	75.5%	69.7%
Arrived on time	77.5%	77.2%	78.5%	69.0%
Cancelled	1.1%	1.1%	0.6%	2.5%
Average departure delay (late minutes only)	16.2 min	14.0 min	13.4 min	24.3 min
Scheduled departures a day	102	124	86	21,048
Scheduled departures	3,046	3,726	31,406	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,634	86%	76.5%	7.2 min	1.1%
OO SkyWest Airlines	123	4%	92.7%	3.3 min	0.0%
NK Spirit Airlines	103	3%	78.6%	7.3 min	1.0%
HA Hawaiian Airlines	78	3%	85.9%	50.0 min	0.0%
AS Alaska Airlines	61	2%	73.8%	3.9 min	3.3%
G4 Allegiant Air	47	2%	80.9%	21.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
OAK–LAS	Oakland to Las Vegas	349	77.7%	9.1 min	1.1%
OAK–SAN	Oakland to San Diego	288	74.3%	8.6 min	1.0%
OAK–BUR	Oakland to Burbank	258	76.7%	3.7 min	3.1%
OAK–SEA	Oakland to Seattle	233	70.8%	10.1 min	0.9%
OAK–SNA	Oakland to Santa Ana	219	82.2%	1.4 min	0.9%
OAK–LAX	Oakland to Los Angeles	183	77.0%	5.6 min	3.8%
OAK–PHX	Oakland to Phoenix	179	73.7%	9.0 min	0.0%
OAK–DEN	Oakland to Denver	159	69.8%	14.7 min	1.3%
OAK–SLC	Oakland to Salt Lake City	150	92.0%	0.3 min	0.0%
OAK–LGB	Oakland to Long Beach	145	87.6%	-0.2 min	0.7%
OAK–ONT	Oakland to Ontario	134	85.8%	1.2 min	0.0%
OAK–PDX	Oakland to Portland	119	70.6%	13.6 min	0.0%

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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	43.1%	31.1%	17,417
Late-arriving aircraft	43.0%	40.8%	17,365
National Aviation System	12.3%	20.7%	4,949
Extreme weather	1.5%	7.3%	616
Security	0.0%	0.1%	20

40,367 delay minutes on 649 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 OAK on time in July 2025?

74.4% of 3,046 scheduled domestic departures left less than 15 minutes late, and 77.5% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 75.1% of 3,726 departures left on time and 1.1% were cancelled, against 74.4% and 1.1% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for OAK · methodology · corrections.