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

Boston, MA (BOS) to Savannah, GA (SAV) flight delay odds

Historically, 78.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,076 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
78.3%arrived on time
11.3%30+ min late
1.9%cancelled
1,076scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.0 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
Early morning28981.7%9.0%1.7%
Late morning32181.6%8.4%2.2%
Afternoon41475.1%13.5%1.7%
Evening4060.0%25.0%2.5%

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
Monday14973.8%12.1%4.0%
Tuesday13178.6%9.9%3.1%
Wednesday12885.2%8.6%0.8%
Thursday15577.4%12.9%1.9%
Friday14678.8%10.3%0.0%
Saturday17681.8%8.5%1.7%
Sunday19173.8%15.7%1.6%

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
JetBlue Airways61676.5%12.2%2.3%
Republic Airways41679.3%10.8%1.4%
Delta Air Lines2688.5%7.7%0.0%
Allegiant Air18100.0%0.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202511267.9%17.0%4.5%
August 202510389.3%4.9%0.0%
September 20259186.8%9.9%1.1%
October 202510578.1%8.6%1.0%
November 20259477.7%13.8%1.1%
December 20257458.1%23.0%1.4%
January 20265872.4%10.3%10.3%
February 20265775.4%14.0%7.0%
March 20268674.4%18.6%0.0%
April 202610981.7%9.2%0.0%
May 202610684.9%6.6%0.0%
June 20268185.2%3.7%1.2%

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.

Airline41.4%
Late aircraft28.0%
National airspace26.2%
Weather4.4%
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.