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

New York, NY (LGA) to Charleston, SC (CHS) flight delay odds

Historically, 69.5% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,441 flights.

HISTORICAL ROUTE SIGNALHigher disruption
69.5%arrived on time
17.6%30+ min late
5.0%cancelled
1,441scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.5%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+8.5 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 morning20876.9%8.7%6.7%
Late morning36572.3%15.3%3.6%
Afternoon55269.6%18.7%3.6%
Evening31561.0%24.1%7.9%

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
Monday21266.5%18.4%8.0%
Tuesday21074.3%14.3%4.8%
Wednesday20966.0%18.7%3.8%
Thursday20566.3%20.0%6.3%
Friday21574.4%15.3%1.9%
Saturday17672.2%17.0%4.5%
Sunday21466.8%19.2%5.6%

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
Republic Airways1,03871.0%16.2%5.6%
Delta Air Lines40365.5%21.1%3.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202510550.5%37.1%8.6%
August 202510779.4%13.1%0.9%
September 202512580.0%15.2%1.6%
October 202512462.9%19.4%4.0%
November 202514269.0%20.4%2.8%
December 202513948.9%27.3%7.2%
January 202611166.7%14.4%9.9%
February 20268872.7%10.2%8.0%
March 202613168.7%14.5%10.7%
April 202612675.4%16.7%0.0%
May 202611680.2%14.7%1.7%
June 202612781.1%6.3%5.5%

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.

Airline28.8%
Late aircraft38.2%
National airspace28.4%
Weather4.6%
Security0.1%
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.