PIT → ORD: 78% on-time

Historical on-time performance

Pittsburgh to Chicago

413 miData through May 2026Source: US DOT · BTS

Flights on PIT–ORD arrive on time 78% of the time over the last 12 months.

On-time rate78%arrived within 15 min

p90 delay50 min1 in 10 flights is worse (tail risk)

Cancelled1.9%of scheduled flights

based on 3,650 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Airline	On-time	Median	p90	Cancel	Flights
Republic Airwaysbest	82%	on time	35 min	1.5%	1,550
Envoy Air⚠ low data	79%	on time	35 min	3.3%	182
United Airlines	76%	on time	50 min	1.6%	1,264
SkyWest Airlines⚠ low data	72%	on time	50 min	3.5%	114
American Airlines	69%	on time	95 min	2.8%	540

Why flights run late

Most delay minutes here are attributed to Air traffic (NAS).

When flights don't go

Most cancellations here are attributed to Weather. Shares are among 68 cancellations with a reported cause (BTS reports causes from June 2003).

Over time

By season

When to fly

All airlines · rolling 36 months (2023-06 .. 2026-05).

Mornings are the most reliable time of day to fly this route — 89% on time.

On-time rates are fairly even by day on this route — ranging from 80% to 84% on time.

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