On-Time Report

Airports › Chicago (ORD) › July 2024

Airport month · July 2024

Chicago O'Hare International in July 2024

66.6%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In July 2024, reporting carriers scheduled 24,531 domestic departures from Chicago O'Hare International (ORD). 66.6% left less than 15 minutes late and 64.8% reached their destination on time; 2.6% were cancelled.

Nationally that month, 68.5% of flights departed on time and 68.1% arrived on time, so ORD departures were 1.9 points below the national departure figure.

Flights arriving at ORD that month were on time 68.6% of the time (24,527 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 32% and national aviation system 18%.

Every scheduled departure from ORD in July 2024, judged by arrival at the destination.

July 2024 against a year earlier, the airport's year and the nation

MeasureJul 2024Year earlierORD, 12 months to Jul 2026All reported flights, Jul 2024
Departed on time66.6%—71.4%68.5%
Arrived on time64.8%—69.4%68.1%
Cancelled2.6%—2.8%2.9%
Average departure delay (late minutes only)27.4 min—22.3 min24.9 min
Scheduled departures a day818—98621,154
Scheduled departures24,531—359,911634,613

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
UA United Airlines7,77732%65.5%19.2 min3.4%
AA American Airlines4,95520%58.9%31.5 min2.2%
OO SkyWest Airlines4,57519%68.9%15.5 min1.4%
MQ Envoy Air3,09013%67.2%14.8 min1.5%
DL Delta Air Lines1,0624%63.6%31.3 min6.5%
YX Republic Airline9224%77.1%10.6 min1.0%
NK Spirit Airlines8784%53.0%31.8 min5.8%
WN Southwest Airlines4872%72.9%10.6 min0.0%
AS Alaska Airlines3882%63.9%15.5 min0.5%
F9 Frontier Airlines2741%44.2%51.6 min8.4%
B6 JetBlue Airways1180%58.5%46.3 min0.0%
9E Endeavor Air50%100.0%-8.4 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
ORD–LGAChicago to New York98560.0%27.3 min5.8%
ORD–BOSChicago to Boston67065.4%17.8 min3.0%
ORD–LAXChicago to Los Angeles61764.8%21.8 min3.6%
ORD–DENChicago to Denver57866.4%20.2 min1.9%
ORD–SEAChicago to Seattle57567.8%14.2 min1.9%
ORD–DFWChicago to Dallas/Fort Worth56861.8%34.7 min2.1%
ORD–EWRChicago to Newark53559.3%34.6 min4.1%
ORD–DCAChicago to Washington52962.8%27.7 min3.4%
ORD–MSPChicago to Minneapolis52948.4%36.5 min3.0%
ORD–SFOChicago to San Francisco50664.2%16.6 min2.8%
ORD–ATLChicago to Atlanta50153.7%41.1 min5.0%
ORD–IAHChicago to Houston49552.7%30.4 min7.3%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Jul 2024Minutes
Air carrier32.3%36.6%205,442
Late-arriving aircraft43.4%42.7%276,037
National Aviation System18.3%16.0%116,013
Extreme weather5.9%4.6%37,416
Security0.1%0.1%553
635,461 delay minutes on 7,893 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← June 2024August 2024 →

Questions and answers

How many flights left ORD on time in July 2024?

66.6% of 24,531 scheduled domestic departures left less than 15 minutes late, and 64.8% reached their destination on time. The national figures that month were 68.5% and 68.1%.

How does that compare with a year earlier?

July 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ORD · methodology · corrections.