Oakland International in July 2026

70.6%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 July 2026, reporting carriers scheduled 2,685 domestic departures from Oakland International (OAK). 70.6% left less than 15 minutes late and 73.7% reached their destination on time; 0.3% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so OAK departures were 1.8 points above the national departure figure.

A year earlier, in July 2025, the airport had 3,046 departures with 74.4% leaving on time: a change of −3.8 points, with flights down 12%.

Flights arriving at OAK that month were on time 76.7% of the time (2,682 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 38% and national aviation system 16%.

On time 73.7%
Arrived 15+ minutes late 25.8%
Cancelled 0.3%
Diverted 0.2%

Every scheduled departure from OAK in July 2026, judged by arrival at the destination.

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

Measure	Jul 2026	Jul 2025	OAK, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	70.6%	74.4%	75.5%	68.8%
Arrived on time	73.7%	77.5%	78.5%	69.4%
Cancelled	0.3%	1.1%	0.6%	2.6%
Average departure delay (late minutes only)	15.9 min	16.2 min	13.4 min	24.1 min
Scheduled departures a day	90	102	86	21,066
Scheduled departures	2,685	3,046	31,406	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,309	86%	72.1%	9.1 min	0.3%
AS Alaska Airlines	188	7%	83.0%	6.6 min	1.1%
OO SkyWest Airlines	188	7%	83.5%	0.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
OAK–LAS	Oakland to Las Vegas	305	70.5%	11.7 min	0.3%
OAK–SAN	Oakland to San Diego	301	57.1%	19.4 min	0.0%
OAK–BUR	Oakland to Burbank	222	78.4%	6.8 min	0.9%
OAK–SNA	Oakland to Santa Ana	215	83.3%	-1.7 min	0.9%
OAK–SEA	Oakland to Seattle	211	73.9%	8.1 min	0.0%
OAK–LAX	Oakland to Los Angeles	165	74.5%	7.5 min	0.6%
OAK–DEN	Oakland to Denver	154	64.3%	14.1 min	0.0%
OAK–PHX	Oakland to Phoenix	148	75.7%	8.7 min	0.0%
OAK–PDX	Oakland to Portland	127	79.5%	1.3 min	0.0%
OAK–SLC	Oakland to Salt Lake City	123	83.7%	-0.2 min	0.0%
OAK–LGB	Oakland to Long Beach	119	86.6%	-1.0 min	0.8%
OAK–ONT	Oakland to Ontario	116	76.7%	3.6 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	38.2%	31.7%	13,177
Late-arriving aircraft	45.9%	41.8%	15,835
National Aviation System	15.5%	19.9%	5,338
Extreme weather	0.1%	6.5%	42
Security	0.2%	0.1%	70

34,462 delay minutes on 693 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 2026?

70.6% of 2,685 scheduled domestic departures left less than 15 minutes late, and 73.7% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 74.4% of 3,046 departures left on time and 1.1% were cancelled, against 70.6% and 0.3% in July 2026.

Provenance

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