HOU to OAK flight delays & on-time performance
Nonstop flights from William P. Hobby Airport to Oakland San Francisco Bay Airport · 1,642 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HOU or OAK right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (HOU) to Oakland (OAK) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (92% on time); around 6pm did worst (36%).
- Friday was the most reliable day to fly (87% on time) and Saturday the least (68%).
- The largest source of delay minutes was late-arriving aircraft (50%).
Which airline is most on time from HOU to OAK?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 76% | 0.3% | 12 min | 5.6% | 375 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am92%26 flights
- 8am92%116 flights
- 9am77%31 flights
- 11am77%62 flights
- 3pm75%56 flights
- 4pm21%14 flights
- 6pm36%25 flights
- 7pm54%27 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday85%0.0% cancelled
- Wednesday71%0.0% cancelled
- Thursday79%0.0% cancelled
- Friday87%1.9% cancelled
- Saturday68%0.0% cancelled
- Sunday72%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)39%
- Air traffic control & airport congestion8%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
HOU to OAK: common questions
- How often are HOU to OAK flights on time?
- 76% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Oakland cancelled?
- 0.3% of scheduled flights were cancelled (1 of 375).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 44 min behind schedule on average, and 5.6% of flights were an hour or more late.
- How long is taxi time at HOU?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: OAK to HOU — 77% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HOU → OAK, nonstop flights by US airlines that report to the DOT. How we calculate this.