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

Johnstown, PA (JST) to Chicago, IL (ORD) flight delay odds

63.3% of 362 official scheduled JST-to-ORD flights arrived on time; 25.7% arrived at least 30 minutes late and 5.8% 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 SIGNALHigher disruption
63.3%arrived on time
25.7%30+ min late
5.8%cancelled
362scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late20.4%all scheduled flights
120+ minutes late12.4%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+47.1 mincompleted flights

Which departure time was most reliable for JST to ORD?

Only Afternoon met the JST-to-ORD departure window threshold: 63.2% of 359 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Afternoon35963.2%25.9%5.8%

Which weekday was most reliable for JST to ORD?

Among qualifying JST-to-ORD weekday results, Friday had the highest on-time rate: 69.2% of 52 flights. Thursday was lowest at 54.0% across 50 flights.

DayFlightsOn time30+ minCancelled
Monday5259.6%32.7%5.8%
Tuesday5367.9%24.5%3.8%
Wednesday5160.8%27.5%5.9%
Thursday5054.0%28.0%10.0%
Friday5269.2%23.1%1.9%
Saturday5269.2%19.2%5.8%
Sunday5261.5%25.0%7.7%

Which airline was most reliable for JST to ORD?

Only SkyWest Airlines met the JST-to-ORD airline threshold: 63.3% of 362 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines36263.3%25.7%5.8%

Which month was most reliable for JST to ORD?

Among qualifying JST-to-ORD month results, October 2025 had the highest on-time rate: 96.8% of 31 flights. December 2025 was lowest at 37.9% across 29 flights.

MonthFlightsOn time30+ minCancelled
July 20253161.3%32.3%0.0%
August 20253174.2%16.1%0.0%
September 20253086.7%13.3%0.0%
October 20253196.8%3.2%0.0%
November 20252955.2%37.9%6.9%
December 20252937.9%41.4%17.2%
January 20263154.8%22.6%9.7%
February 20262853.6%32.1%3.6%
March 20263148.4%29.0%16.1%
April 20263050.0%33.3%10.0%
May 20263174.2%19.4%0.0%
June 20263063.3%30.0%6.7%

What drove JST to ORD delay minutes?

Late aircraft was the largest recorded JST-to-ORD delay category, accounting for 51.2% of 18,376 BTS-attributed delay minutes during July 2025–June 2026.

Airline13.1%
Late aircraft51.2%
National airspace22.1%
Weather13.6%
Security0.0%
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.