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.
SJC → ATL
San Jose to Atlanta: 900 nonstop flights a year
On time (12 months)
93%
Cancelled
1.3%
avg delay 7 min
Best time to leave
No clear winner
Most reliable airline
Delta
92% 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 · Delta 2904
10:00 PM → 5:37 AM4h 37m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 100%
- Cancelled
- 5.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (19 flights, Jun 2025 to May 2026).
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Delta 2904 fares Opens this date on Aviasales#2 · Delta 654
10:50 PM → 6:15 AM4h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 93%
- Cancelled
- 1.4%
- Avg arrival delay
- 7 min
- Arrived on time 93% of the time (355 flights, Jun 2025 to May 2026).
Strong track record · 355 flights
Find Delta 654 fares Opens this date on Aviasales#3 · Delta 809
1:25 PM → 8:59 PM4h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.8%
- Avg arrival delay
- 9 min
- Arrived on time 93% of the time (359 flights, Jun 2025 to May 2026).
Strong track record · 359 flights
Find Delta 809 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines92%
900 flights · 93% on time as flown · 1.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
243 flights · avg delay 6 min
- Noon to 3 PM93%
364 flights · avg delay 9 min
- After 9 PM93%
293 flights · avg delay 6 min
Best day: Thursday (96%). Worst: Friday (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