Route on-time record
OAK to BOI: most on-time flights and the best time to fly
Oakland (Oakland San Francisco Bay Airport) to Boise (Boise Air Terminal/Gowen Field). 600 nonstop flights in Jun 2025 to May 2026, 84% arrived within 15 minutes and 0.0% were cancelled. The most reliable flight number was Southwest 2567 at 5:05 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
OAK → BOI
Oakland to Boise: 600 nonstop flights a year
On time (12 months)
84%
Cancelled
0.0%
avg delay 10 min
Best time to leave
3 to 6 PM
94% on time vs 79% 6 to 9 PM
Most reliable airline
Southwest
84% 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 2567
5:05 PM → 7:40 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
89%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 16 min
- Arrived on time 95% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (3 to 6 PM: 94% on time; 6 to 9 PM: 79%).
- 79% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 2567 fares Opens this date on Aviasales#2 · Southwest 4507
2:50 PM → 5:20 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-01.
85%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 4507 fares Opens this date on Aviasales#3 · Southwest 2579
5:50 PM → 8:25 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 80% of the time (15 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (3 to 6 PM: 94% on time; 6 to 9 PM: 79%).
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 2579 fares Opens this date on Aviasales#4 · Southwest 3785
1:55 PM → 4:25 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-27.
82%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 81% of the time (16 flights, Jun 2025 to May 2026).
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 3785 fares Opens this date on Aviasales#5 · Southwest 1586
10:55 AM → 1:25 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-29.
81%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 1586 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines84%
600 flights · 84% on time as flown · 0.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon86%
203 flights · avg delay 8 min
- Noon to 3 PM91%
93 flights · avg delay 4 min
- 3 to 6 PM94%
34 flights · avg delay 11 min
- 6 to 9 PM79%
254 flights · avg delay 13 min
Best day: Wednesday (85%). Worst: Sunday (74%).
Smarter routing
Nearby airports that run more on time
SJC → BOI 87% chance on time
Norman Y. Mineta San Jose International Airport to Boise Air Terminal/Gowen Field · 677 flights a year · 29 mi from your airports · yours: 84%
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 aircraft57%
- Airline (crew, maintenance, boarding)38%
- Air traffic control and airport volume5%
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
OAK to BOI questions
- What time of day is best to fly OAK to BOI?
- 3 to 6 PM: 94% of flights arrived on time, against 79% for departures 6 to 9 PM.
- Which airline is most on time from OAK to BOI?
- Southwest, with a season-adjusted 84% chance of operating and arriving on time over 600 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 OAK to BOI?
- June (69% on time); the best was January (88%), 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 OAK
- BOI to OAK (return)
- OAK to LAS 80%
- OAK to SAN 69%
- OAK to BUR 82%
- OAK to SNA 86%
- OAK to LAX 81%
- OAK to PHX 78%
- OAK to SEA 77%
- OAK to SLC 89%
- OAK to LGB 87%
- OAK to DEN 73%
- OAK to ONT 83%
- OAK to PDX 81%
Live status: FAA delays and ground stops