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.
SLC → OAK
Salt Lake City to Oakland: 1,696 nonstop flights a year
On time (12 months)
90%
Cancelled
0.2%
avg delay 6 min
Best time to leave
Before 9 AM
98% on time vs 77% 6 to 9 PM
Most reliable airline
SkyWest
92% chance on time
Lowest nonstop fare seen in the next two months: $332 (Southwest 2973 on 2026-10-27). 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 3797 · sold as United Express, Delta Connection, American Eagle or Alaska
10:50 PM → 11:46 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 93% of the time (341 flights, Jun 2025 to May 2026).
- Never cancelled in 342 scheduled flights.
Strong track record · 341 flights
Find 10:50 PM flight fares Opens this date on Aviasales#2 · SkyWest 4134 · sold as United Express, Delta Connection, American Eagle or Alaska
10:50 AM → 11:51 AM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.5%
- Avg arrival delay
- 4 min
- Arrived on time 93% of the time (363 flights, Jun 2025 to May 2026).
Strong track record · 363 flights
Find 10:50 AM flight fares Opens this date on Aviasales#3 · SkyWest 3903 · sold as United Express, Delta Connection, American Eagle or Alaska
3:00 PM → 4:00 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (344 flights, Jun 2025 to May 2026).
- Never cancelled in 344 scheduled flights.
Strong track record · 344 flights
Find 3:00 PM flight fares Opens this date on Aviasales#4 · Southwest 852
5:30 AM → 6:35 AM2h 05m nonstop
Local times, typical schedule. Last flown 2026-04-06.
91%
chance on time
- On time (history)
- 100%
- Cancelled
- 6.7%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (14 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 98% on time; 6 to 9 PM: 77%).
- Short track record (14 flights), so its score leans on the airline's record at this hour.
Limited track record · 14 flights
Find Southwest 852 fares Opens this date on Aviasales#5 · Southwest 3317
6:55 AM → 7:50 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-29.
91%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 96% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 98% on time; 6 to 9 PM: 77%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 3317 fares Opens this date on Aviasales#6 · Southwest 3279
11:00 AM → 12:00 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-04-05.
89%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 94% of the time (18 flights, Jun 2025 to May 2026).
- Short track record (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find Southwest 3279 fares Opens this date on Aviasales#7 · Southwest 576
1:15 PM → 2:05 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-27.
84%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 81% of the time (16 flights, Jun 2025 to May 2026).
- 65% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 576 fares Opens this date on Aviasales#8 · Southwest 233
11:35 AM → 12:30 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-30.
83%
chance on time
- On time (history)
- 63%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 63% of the time (8 flights, Jun 2025 to May 2026).
- 53% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 233 fares Opens this date on Aviasales#9 · Southwest 2788
5:50 PM → 6:50 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-04-06.
81%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 73% of the time (15 flights, Jun 2025 to May 2026).
- 81% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 2788 fares Opens this date on Aviasales#10 · Southwest 4304
7:20 PM → 8:15 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-29.
68%
chance on time
- On time (history)
- 52%
- Cancelled
- 0.0%
- Avg arrival delay
- 30 min
- Arrived on time 52% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 77% on time; Before 9 AM: 98%).
- 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 4304 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)92%
1,068 flights · 92% on time as flown · 0.2% cancel
- Southwest Airlines86%
622 flights · 85% on time as flown · 0.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM98%
101 flights · avg delay 2 min
- 9 AM to noon92%
635 flights · avg delay 5 min
- 3 to 6 PM91%
390 flights · avg delay 6 min
- 6 to 9 PM77%
163 flights · avg delay 14 min
- After 9 PM88%
390 flights · avg delay 8 min
Best day: Tuesday (90%). Worst: Monday (86%).
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