BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DCA→ORD

Washington, DC (DCA) to Chicago, IL (ORD) flight delay odds

71.5% of 6,992 official scheduled DCA-to-ORD flights arrived on time; 17.0% arrived at least 30 minutes late and 3.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
71.5%arrived on time
17.0%30+ min late
3.4%cancelled
6,992scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.3%all scheduled flights
120+ minutes late5.3%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+14.5 mincompleted flights

Which departure time was most reliable for DCA to ORD?

Among qualifying DCA-to-ORD departure window results, Early morning had the highest on-time rate: 83.9% of 1,617 flights. Evening was lowest at 54.2% across 1,915 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,61783.9%7.1%3.3%
Late morning1,18180.9%11.4%2.5%
Afternoon2,08273.1%16.5%2.7%
Evening1,91554.2%28.9%4.3%
Night19766.0%19.8%9.1%

Which weekday was most reliable for DCA to ORD?

Among qualifying DCA-to-ORD weekday results, Saturday had the highest on-time rate: 77.7% of 732 flights. Sunday was lowest at 67.4% across 1,049 flights.

DayFlightsOn time30+ minCancelled
Monday1,04772.3%16.2%4.7%
Tuesday1,06575.5%14.5%3.1%
Wednesday1,03268.0%20.0%2.4%
Thursday1,03172.4%16.6%3.0%
Friday1,03669.0%18.2%3.1%
Saturday73277.7%12.2%2.7%
Sunday1,04967.4%19.8%4.6%

Which airline was most reliable for DCA to ORD?

Among qualifying DCA-to-ORD airline results, Envoy Air had the highest on-time rate: 76.6% of 171 flights. SkyWest Airlines was lowest at 62.3% across 69 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,39271.7%17.5%2.2%
American Airlines2,30171.4%17.0%4.0%
Republic Airways1,05970.8%15.6%5.6%
Envoy Air17176.6%11.7%4.7%
SkyWest Airlines6962.3%24.6%5.8%

Which month was most reliable for DCA to ORD?

Among qualifying DCA-to-ORD month results, February 2026 had the highest on-time rate: 76.2% of 530 flights. July 2025 was lowest at 60.8% across 590 flights.

MonthFlightsOn time30+ minCancelled
July 202559060.8%24.9%6.3%
August 202558474.3%16.1%2.9%
September 202557776.1%14.9%0.3%
October 202559775.2%13.2%0.7%
November 202556369.1%18.3%5.2%
December 202555573.0%17.5%1.4%
January 202658869.6%13.6%7.7%
February 202653076.2%13.2%1.3%
March 202659367.1%18.9%5.9%
April 202656773.2%15.5%3.9%
May 202661074.3%17.0%1.6%
June 202663869.9%19.9%3.4%

What drove DCA to ORD delay minutes?

Late aircraft was the largest recorded DCA-to-ORD delay category, accounting for 40.8% of 151,700 BTS-attributed delay minutes during July 2025–June 2026.

Airline15.6%
Late aircraft40.8%
National airspace35.1%
Weather8.5%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.