How often are BUF to ORD flights on time?

Flights from Buffalo (BUF) to Chicago (ORD) arrive on time 86% of the time across 13,053 flights of official data.

Which airline is most reliable on the BUF to ORD route?

American Airlines has the best on-time record on this route at 87% across 6,150 flights.

Route reliability

Flights from Buffalo to Chicago arrive on time 86% of the time across 13,053 flights. Here’s how each airline really performs.

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On-time rate

13,053 flights

Airline	On-time	Flights
American Airlines	87%	6,150
United Airlines	85%	6,903

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg ORD → BUF.

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