United States
Chicago Airport (ORD)
Chicago O'Hare International Airport: FlightPeek analyses 3 flight numbers to and from Chicago. On average, 1% of departures leave on time.
IATA / ICAOORD / KORDChicago O'Hare International Airport
CountryUSUnited States
Time zoneChicagoAmerica/Chicago
On-time departures1 %Average of all flights: 61%
Departures from Chicago
Arrivals in Chicago
On time means leaving the gate no more than 15 minutes late. Each figure covers roughly three months, as of 26 September 2026.
Never miss a gate change in Chicago
Free for 3 daysFlightPeek reports gate and terminal as soon as they are set – and every change after.
Frequently asked questions
- How punctual are departures from Chicago?
- Across the flight numbers FlightPeek analyses from Chicago, 1% of departures leave no more than 15 minutes late on average (as of 26 September 2026). That is 60 percentage points below the average across all 497 flight numbers FlightPeek analyses (61%).
- Which time zone is Chicago Airport in?
- Chicago O'Hare International Airport is in the America/Chicago time zone. All times on this page are local.
- How do I hear about gate changes in Chicago?
- FlightPeek reports gate and terminal as soon as they are set – and every change after that as a phone notification.