Flight Check

Is a 2h 30m Layover Enough at ONT?

Ontario International — Ontario

⚠️
Tight — 6% miss rate

Maybe — a 2 hours and 30 minutes layover at ONT is tight but doable.

6%
Miss Rate
81%
On-Time Rate
64m
Avg Delay

Why 150 Minutes Is Tight at ONT

Your 150-minute connection at ONT is doable but doesn't leave much margin for error. If your first flight is more than 90 minutes late, it could get stressful.

·Airport reliability: ONT has a 81% on-time rate
+Comfortable buffer: Your 150-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 150-minute layover gives you 90 minutes of buffer above the 60-minute domestic minimum. That's a comfortable buffer for most situations.

Compare Other Layover Times at ONT

Click any row to see the full analysis for that layover time.

What to Do Instead

  • →Look for itineraries with 126+ minute layovers at ONT
  • →Consider a direct flight if available
  • →Book both legs on the same ticket (airline must rebook you if you miss the connection)
  • →Choose an early morning first leg — morning flights are delayed less often

Check a Different Layover Time

Enter your exact connection time for a personalized assessment.