Route on-time record
SAN to OAK: most on-time flights and the best time to fly
San Diego (San Diego International Airport) to Oakland (Oakland San Francisco Bay Airport). 3,190 nonstop flights in Jun 2025 to May 2026, 75% arrived within 15 minutes and 1.2% were cancelled. The most reliable flight number was Southwest 1519 at 6:30 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SAN → OAK
San Diego to Oakland: 3,190 nonstop flights a year
On time (12 months)
75%
Cancelled
1.2%
avg delay 13 min
Best time to leave
Before 9 AM
95% on time vs 58% after 9 PM
Most reliable airline
Spirit
79% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 1519
6:30 AM → 8:10 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 95% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 58%).
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
Limited track record · 55 flights
Find Southwest 1519 fares Opens this date on Aviasales#2 · Southwest 4595
7:10 AM → 9:00 AM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
92%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 97% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 58%).
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
Limited track record · 33 flights
Find Southwest 4595 fares Opens this date on Aviasales#3 · Southwest 105
8:15 AM → 9:55 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 97% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 58%).
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
Limited track record · 31 flights
Find Southwest 105 fares Opens this date on Aviasales#4 · SkyWest 3075 · sold as United Express, Delta Connection, American Eagle or Alaska
8:39 AM → 10:17 AM1h 38m nonstop
Local times, typical schedule. Last flown 2026-05-12.
88%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 90% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 58%).
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find 8:39 AM flight fares Opens this date on Aviasales#5 · Southwest 3785
11:30 AM → 1:10 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 85%
- Cancelled
- 1.8%
- Avg arrival delay
- 7 min
- Arrived on time 85% of the time (54 flights, Jun 2025 to May 2026).
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 3785 fares Opens this date on Aviasales#6 · Southwest 598
11:45 AM → 1:25 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
82%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 91% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
- 60% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 598 fares Opens this date on Aviasales#7 · Southwest 2045
10:00 AM → 11:35 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1928; its record covers all of them.
79%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 79% of the time (63 flights, Jun 2025 to May 2026).
- Never cancelled in 63 scheduled flights.
- Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 63 flights
Find Southwest 2045 fares Opens this date on Aviasales#8 · Southwest 1303
1:15 PM → 2:55 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 2753; its record covers all of them.
78%
chance on time
- On time (history)
- 79%
- Cancelled
- 1.5%
- Avg arrival delay
- 14 min
- Arrived on time 79% of the time (66 flights, Jun 2025 to May 2026).
- Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
Moderate track record · 66 flights
Find Southwest 1303 fares Opens this date on Aviasales#9 · Southwest 2885
6:00 PM → 7:40 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 84% of the time (38 flights, Jun 2025 to May 2026).
- Never cancelled in 38 scheduled flights.
- Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
- Short track record (38 flights), so its score leans on the airline's record at this hour.
Limited track record · 38 flights
Find Southwest 2885 fares Opens this date on Aviasales#10 · SkyWest 3076 · sold as United Express, Delta Connection, American Eagle or Alaska
1:00 PM → 2:38 PM1h 38m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 68%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 68% of the time (40 flights, Jun 2025 to May 2026).
- Never cancelled in 40 scheduled flights.
- Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
- Short track record (40 flights), so its score leans on the airline's record at this hour.
Limited track record · 40 flights
Find 1:00 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Spirit Airlines79%
73 flights · 84% on time as flown · 0.8% cancel
- Southwest Airlines74%
2,985 flights · 75% on time as flown · 1.2% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)72%
132 flights · 68% on time as flown · 1.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM95%
652 flights · avg delay 3 min
- 9 AM to noon83%
572 flights · avg delay 9 min
- Noon to 3 PM72%
570 flights · avg delay 15 min
- 3 to 6 PM66%
579 flights · avg delay 18 min
- 6 to 9 PM61%
657 flights · avg delay 21 min
- After 9 PM58%
160 flights · avg delay 20 min
Best day: Tuesday (86%). Worst: Sunday (70%).
Smarter routing
Nearby airports that run more on time
SAN → SJC 78% chance on time
San Diego International Airport to Norman Y. Mineta San Jose International Airport · 4,980 flights a year · 29 mi from your airports · yours: 74%
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft72%
- Airline (crew, maintenance, boarding)22%
- Air traffic control and airport volume6%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
SAN to OAK questions
- What time of day is best to fly SAN to OAK?
- Before 9 AM: 95% of flights arrived on time, against 58% for departures after 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from SAN to OAK?
- Spirit, with a season-adjusted 79% chance of operating and arriving on time over 73 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on SAN to OAK?
- June (68% on time); the best was January (85%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from SAN
- OAK to SAN (return)
- SAN to SFO 68%
- SAN to LAS 76%
- SAN to DEN 79%
- SAN to PHX 76%
- SAN to SMF 77%
- SAN to SJC 78%
- SAN to SEA 81%
- SAN to ORD 78%
- SAN to DFW 77%
- SAN to SLC 84%
- SAN to AUS 74%
- SAN to ATL 84%
Live status: FAA delays and ground stops