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

Chicago, IL (ORD) to Santa Ana, CA (SNA) flight delay odds

73.8% of 2,212 official scheduled ORD-to-SNA flights arrived on time; 14.2% arrived at least 30 minutes late and 1.1% 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 SIGNALGenerally reliable
73.8%arrived on time
14.2%30+ min late
1.1%cancelled
2,212scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.4%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+6.4 mincompleted flights

Which departure time was most reliable for ORD to SNA?

Among qualifying ORD-to-SNA departure window results, Early morning had the highest on-time rate: 81.8% of 565 flights. Afternoon was lowest at 67.1% across 444 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning56581.8%9.7%0.9%
Late morning52771.5%15.9%0.6%
Afternoon44467.1%20.7%0.5%
Evening67673.2%12.3%2.1%

Which weekday was most reliable for ORD to SNA?

Among qualifying ORD-to-SNA weekday results, Tuesday had the highest on-time rate: 82.7% of 329 flights. Sunday was lowest at 68.3% across 328 flights.

DayFlightsOn time30+ minCancelled
Monday32968.7%18.2%1.5%
Tuesday32982.7%9.7%0.9%
Wednesday32074.7%15.3%0.6%
Thursday32477.2%10.8%0.9%
Friday32774.0%11.9%0.3%
Saturday25570.2%16.5%0.8%
Sunday32868.3%17.4%2.4%

Which airline was most reliable for ORD to SNA?

Among qualifying ORD-to-SNA airline results, American Airlines had the highest on-time rate: 73.8% of 1,172 flights. United Airlines was lowest at 73.8% across 1,040 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,17273.8%14.6%1.8%
United Airlines1,04073.8%13.8%0.3%

Which month was most reliable for ORD to SNA?

Among qualifying ORD-to-SNA month results, May 2026 had the highest on-time rate: 82.3% of 181 flights. January 2026 was lowest at 70.3% across 175 flights.

MonthFlightsOn time30+ minCancelled
July 202520573.7%14.1%1.0%
August 202520673.3%14.1%1.9%
September 202519076.8%11.6%0.0%
October 202520871.6%14.9%0.0%
November 202517377.5%9.8%3.5%
December 202517774.0%15.8%0.6%
January 202617570.3%17.1%2.3%
February 202616374.2%14.1%0.0%
March 202618270.3%18.1%1.6%
April 202617671.0%15.9%0.6%
May 202618182.3%8.3%0.0%
June 202617670.5%16.5%1.7%

What drove ORD to SNA delay minutes?

Late aircraft was the largest recorded ORD-to-SNA delay category, accounting for 40.0% of 29,650 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.3%
Late aircraft40.0%
National airspace21.4%
Weather6.3%
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.