Is a 3-Hour Layover Enough at ONT?
Ontario International — Ontario
✅
Safe — 4% miss rate
Yes — a 3 hours layover at ONT is enough.
4%
Miss Rate
81%
On-Time Rate
64m
Avg Delay
Why 180 Minutes Is Safe at ONT
Your 180-minute connection at ONT looks solid. You have plenty of buffer even if your first flight is moderately late.
·Airport reliability: ONT has a 81% on-time rate
+Comfortable buffer: Your 180-minute layover is well above the 60-minute minimum
−High average delay: When flights are late at ONT, the average delay is 64 minutes
Minimum Connection Time at ONT
60m
Domestic
120m
International
Your 180-minute layover gives you 120 minutes of buffer above the 60-minute domestic minimum. That's a comfortable buffer for most situations.
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