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 → SLC
Oakland to Salt Lake City: 1,696 nonstop flights a year
On time (12 months)
89%
Cancelled
0.1%
avg delay 8 min
Best time to leave
Before 9 AM
98% on time vs 72% 6 to 9 PM
Most reliable airline
SkyWest
94% chance on time
Lowest nonstop fare seen in the next two months: $307 (Southwest 2570 on 2026-10-25). 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 · SkyWest 4061 · sold as United Express, Delta Connection, American Eagle or Alaska
5:55 AM → 8:48 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
97%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 97% of the time (358 flights, Jun 2025 to May 2026).
- Never cancelled in 358 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 98% on time; 6 to 9 PM: 72%).
Strong track record · 358 flights
Find 5:55 AM flight fares Opens this date on Aviasales#2 · SkyWest 4134 · sold as United Express, Delta Connection, American Eagle or Alaska
12:35 PM → 3:29 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.5%
- Avg arrival delay
- 5 min
- Arrived on time 94% of the time (363 flights, Jun 2025 to May 2026).
Strong track record · 363 flights
Find 12:35 PM flight fares Opens this date on Aviasales#3 · SkyWest 3903 · sold as United Express, Delta Connection, American Eagle or Alaska
4:49 PM → 7:44 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 92% of the time (343 flights, Jun 2025 to May 2026).
- Never cancelled in 344 scheduled flights.
Strong track record · 343 flights
Find 4:49 PM flight fares Opens this date on Aviasales#4 · Southwest 2261
10:00 PM → 12:50 AM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
83%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% 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 2261 fares Opens this date on Aviasales#5 · Southwest 1833
9:50 AM → 12:35 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-29.
83%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 83% 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 1833 fares Opens this date on Aviasales#6 · Southwest 3200
9:35 AM → 12:20 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-04-06.
81%
chance on time
- On time (history)
- 85%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 85% of the time (13 flights, Jun 2025 to May 2026).
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 3200 fares Opens this date on Aviasales#7 · Southwest 1354
1:25 PM → 4:10 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-04-01.
79%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 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 1354 fares Opens this date on Aviasales#8 · Southwest 3584
8:40 PM → 11:30 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-31.
61%
chance on time
- On time (history)
- 56%
- Cancelled
- 0.0%
- Avg arrival delay
- 33 min
- Arrived on time 56% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 72% on time; Before 9 AM: 98%).
- 80% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 54 flights
Find Southwest 3584 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)94%
1,067 flights · 94% on time as flown · 0.2% cancel
- Southwest Airlines81%
622 flights · 80% on time as flown · 0.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM98%
525 flights · avg delay 3 min
- 9 AM to noon84%
69 flights · avg delay 12 min
- Noon to 3 PM92%
431 flights · avg delay 6 min
- 3 to 6 PM92%
354 flights · avg delay 5 min
- 6 to 9 PM72%
276 flights · avg delay 20 min
Best day: Tuesday (93%). Worst: Sunday (86%).
Smarter routing
Nearby airports that run more on time
SJC → SLC 92% chance on time
Norman Y. Mineta San Jose International Airport to Salt Lake City International Airport · 1,817 flights a year · 29 mi from your airports · yours: 89%
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