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

Santa Ana, CA (SNA) to Detroit, MI (DTW) flight delay odds

Historically, 64.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 339 flights.

HISTORICAL ROUTE SIGNALVariable
64.6%arrived on time
23.3%30+ min late
0.3%cancelled
339scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.1%all scheduled flights
120+ minutes late5.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+20.0 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Late morning21263.2%22.6%0.0%
Afternoon12766.9%24.4%0.8%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday5558.2%29.1%1.8%
Tuesday4862.5%31.2%0.0%
Wednesday5667.9%14.3%0.0%
Thursday5265.4%21.2%0.0%
Friday5466.7%25.9%0.0%
Sunday5166.7%23.5%0.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines31763.7%23.7%0.3%
Spirit Airlines2277.3%18.2%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20252157.1%23.8%0.0%
August 20254665.2%23.9%0.0%
September 20253187.1%3.2%0.0%
October 20253171.0%9.7%0.0%
November 20252972.4%17.2%0.0%
December 20253056.7%36.7%0.0%
January 20262556.0%28.0%4.0%
February 20262268.2%31.8%0.0%
March 20262748.1%33.3%0.0%
April 20262680.8%15.4%0.0%
May 20262560.0%36.0%0.0%
June 20262646.2%26.9%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline38.6%
Late aircraft45.4%
National airspace14.1%
Weather1.9%
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.