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 → DAL
Oakland to Dallas: 471 nonstop flights a year
On time (12 months)
77%
Cancelled
0.8%
avg delay 14 min
Best time to leave
Before 9 AM
89% on time vs 33% 6 to 9 PM
Most reliable airline
Southwest
77% 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 3558
6:05 AM → 11:30 AM3h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 45 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 33%).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3558 fares Opens this date on Aviasales#2 · Southwest 1519
8:50 AM → 2:10 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 716; its record covers all of them.
78%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 76% of the time (25 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 33%).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find Southwest 1519 fares Opens this date on Aviasales#3 · Southwest 2317
8:15 AM → 1:35 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
77%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 76% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 33%).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find Southwest 2317 fares Opens this date on Aviasales#4 · Southwest 3483
11:00 AM → 4:25 PM3h 25m nonstop
Local times, typical schedule. Last flown 2026-05-30.
72%
chance on time
- On time (history)
- 68%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 68% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Short track record (31 flights), so its score leans on the airline's record at this hour.
Limited track record · 31 flights
Find Southwest 3483 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines77%
471 flights · 77% on time as flown · 0.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM89%
269 flights · avg delay 7 min
- 9 AM to noon71%
69 flights · avg delay 12 min
- Noon to 3 PM87%
31 flights · avg delay 11 min
- 3 to 6 PM58%
55 flights · avg delay 29 min
- 6 to 9 PM33%
47 flights · avg delay 41 min
Best day: Saturday (90%). Worst: Sunday (75%).
Smarter routing
Nearby airports that run more on time
SJC → DAL 85% chance on time
Norman Y. Mineta San Jose International Airport to Dallas Love Field · 487 flights a year · 29 mi from your airports · yours: 76%
SJC → DFW 79% chance on time
Norman Y. Mineta San Jose International Airport to Dallas Fort Worth International Airport · 1,177 flights a year · 41 mi from your airports · yours: 76%
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