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.
LAX → SJC
Los Angeles to San Jose: 4,400 nonstop flights a year
On time (12 months)
87%
Cancelled
0.7%
avg delay 7 min
Best time to leave
Before 9 AM
95% on time vs 78% after 9 PM
Most reliable airline
SkyWest
90% chance on time
Lowest nonstop fare seen in the next two months: $23 (Frontier 4081 on 2026-11-05). 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 3915 · sold as United Express, Delta Connection, American Eagle or Alaska
7:58 AM → 9:13 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
96%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 96% of the time (25 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 78%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find 7:58 AM flight fares Opens this date on Aviasales#2 · Southwest 2894
6:15 AM → 7:30 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 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: 95% on time; After 9 PM: 78%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
Limited track record · 54 flights
Find Southwest 2894 fares Opens this date on Aviasales#3 · SkyWest 3910 · sold as United Express, Delta Connection, American Eagle or Alaska
12:53 PM → 2:09 PM1h 16m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 92% of the time (25 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find 12:53 PM flight fares Opens this date on Aviasales#4 · SkyWest 3842 · sold as United Express, Delta Connection, American Eagle or Alaska
2:19 PM → 3:32 PM1h 18m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 92% of the time (154 flights, Jun 2025 to May 2026).
- Never cancelled in 154 scheduled flights.
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
Moderate track record · 154 flights
Find 2:19 PM flight fares Opens this date on Aviasales#5 · SkyWest 3950 · sold as United Express, Delta Connection, American Eagle or Alaska
12:01 PM → 1:18 PM1h 17m nonstop
Local times, typical schedule. Last flown 2026-05-06.
91%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 92% of the time (24 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find 12:01 PM flight fares Opens this date on Aviasales#6 · Delta 1226
9:30 AM → 10:45 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 92% of the time (25 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find Delta 1226 fares Opens this date on Aviasales#7 · Southwest 250
7:00 AM → 8:20 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
91%
chance on time
- On time (history)
- 95%
- Cancelled
- 8.7%
- Avg arrival delay
- 6 min
- Arrived on time 95% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 78%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find Southwest 250 fares Opens this date on Aviasales#8 · Southwest 2660
6:35 AM → 7:50 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-04-05.
90%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 90% of the time (10 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 95% on time; After 9 PM: 78%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find Southwest 2660 fares Opens this date on Aviasales#9 · Southwest 1503
9:50 AM → 11:05 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 88% of the time (16 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 1503 fares Opens this date on Aviasales#10 · Southwest 3719
9:35 AM → 10:55 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
89%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 90% of the time (20 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 3719 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)90%
2,149 flights · 91% on time as flown · 0.3% cancel
- Delta Air Lines86%
361 flights · 87% on time as flown · 2.5% cancel
- Southwest Airlines83%
1,806 flights · 83% on time as flown · 0.6% cancel
- Frontier Airlines83%
77 flights · 79% on time as flown · 0.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM95%
798 flights · avg delay 3 min
- 9 AM to noon92%
881 flights · avg delay 4 min
- Noon to 3 PM89%
760 flights · avg delay 6 min
- 3 to 6 PM84%
835 flights · avg delay 9 min
- 6 to 9 PM79%
747 flights · avg delay 11 min
- After 9 PM78%
379 flights · avg delay 13 min
Best day: Tuesday (91%). Worst: Sunday (83%).
Smarter routing
Nearby airports that run more on time
LAX → MRY 91% chance on time
Los Angeles International Airport to Monterey Regional Airport · 855 flights a year · 54 mi from your airports · yours: 87%
LGB → OAK 89% chance on time
Long Beach International Airport to Oakland San Francisco Bay Airport · 1,649 flights a year · 46 mi from your airports · yours: 87%
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