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

Savannah, GA (SAV) to Chicago, IL (MDW) flight delay odds

Historically, 79.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 402 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
79.6%arrived on time
12.7%30+ min late
0.5%cancelled
402scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+7.4 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
Early morning14793.2%3.4%0.7%
Afternoon10677.4%15.1%0.0%
Evening12262.3%24.6%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
Monday5875.9%13.8%1.7%
Tuesday4481.8%9.1%0.0%
Wednesday4490.9%6.8%0.0%
Thursday5178.4%15.7%0.0%
Friday5786.0%8.8%0.0%
Saturday7882.1%12.8%1.3%
Sunday7067.1%18.6%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
Southwest Airlines38978.9%13.1%0.5%
Allegiant Air13100.0%0.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20255168.6%25.5%0.0%
August 20253494.1%2.9%0.0%
September 202525100.0%0.0%0.0%
October 20253090.0%3.3%0.0%
November 20252979.3%10.3%3.4%
December 20253174.2%12.9%0.0%
January 20262792.6%0.0%3.7%
February 20262788.9%3.7%0.0%
March 20263966.7%17.9%0.0%
April 20263574.3%17.1%0.0%
May 20263675.0%22.2%0.0%
June 20263871.1%18.4%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.

Airline35.2%
Late aircraft54.0%
National airspace10.8%
Weather0.0%
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.