ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
OAK → PHX
Oakland to Phoenix: 1,953 nonstop flights a year
On time (12 months)
78%
Cancelled
0.2%
avg delay 13 min
Best time to leave
Before 9 AM
92% on time vs 62% after 9 PM
Most reliable airline
Southwest
78% 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 3560
5:15 AM → 7:05 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 96% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 62%).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 3560 fares Opens this date on Aviasales#2 · Southwest 3375
5:00 AM → 6:55 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-04-06.
92%
chance on time
- On time (history)
- 97%
- Cancelled
- 3.0%
- Avg arrival delay
- 5 min
- Arrived on time 97% of the time (32 flights, Jun 2025 to May 2026).
- Cancelled 3.0% of the time (1 of 33).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 62%).
- Short track record (32 flights), so its score leans on the airline's record at this hour.
Limited track record · 32 flights
Find Southwest 3375 fares Opens this date on Aviasales#3 · Southwest 786
8:40 AM → 10:35 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-04-06.
87%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 93% of the time (15 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 62%).
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 786 fares Opens this date on Aviasales#4 · Southwest 3995
7:00 AM → 8:55 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 62%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3995 fares Opens this date on Aviasales#5 · Southwest 1552
8:00 AM → 9:55 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-29.
81%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 26 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 62%).
- 76% 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 1552 fares Opens this date on Aviasales#6 · Southwest 1262
6:00 AM → 7:55 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-04-05.
81%
chance on time
- On time (history)
- 83%
- Cancelled
- 7.7%
- Avg arrival delay
- 7 min
- Arrived on time 83% of the time (12 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 62%).
- Short track record (12 flights), so its score leans on the airline's record at this hour.
Limited track record · 12 flights
Find Southwest 1262 fares Opens this date on Aviasales#7 · Southwest 1802
6:10 PM → 8:10 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-04-06.
77%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 87% of the time (15 flights, Jun 2025 to May 2026).
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 1802 fares Opens this date on Aviasales#8 · Southwest 1597
6:45 PM → 8:40 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 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 1597 fares Opens this date on Aviasales#9 · Southwest 738
6:35 PM → 8:30 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-04-01.
76%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 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 738 fares Opens this date on Aviasales#10 · Southwest 1980
12:10 PM → 2:05 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 71%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 71% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Lands inside PHX's trouble window: 43% of its 46 ground stops and delay programs started between 2 PM and 8 PM.
- 52% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 55 flights
Find Southwest 1980 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines78%
1,952 flights · 78% on time as flown · 0.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
528 flights · avg delay 5 min
- 9 AM to noon84%
277 flights · avg delay 9 min
- Noon to 3 PM75%
350 flights · avg delay 14 min
- 3 to 6 PM63%
299 flights · avg delay 23 min
- 6 to 9 PM71%
421 flights · avg delay 19 min
- After 9 PM62%
78 flights · avg delay 21 min
Best day: Saturday (86%). Worst: Friday (77%).
Smarter routing
Nearby airports that run more on time
SJC → PHX 82% chance on time
Norman Y. Mineta San Jose International Airport to Phoenix Sky Harbor International Airport · 3,039 flights a year · 29 mi from your airports · yours: 77%
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