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

Cleveland, OH (CLE) to Boston, MA (BOS) flight delay odds

77.1% of 1,682 official scheduled CLE-to-BOS flights arrived on time; 15.0% arrived at least 30 minutes late and 2.3% 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
77.1%arrived on time
15.0%30+ min late
2.3%cancelled
1,682scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.5%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.6 mincompleted flights

Which departure time was most reliable for CLE to BOS?

Among qualifying CLE-to-BOS departure window results, Early morning had the highest on-time rate: 88.5% of 619 flights. Evening was lowest at 60.7% across 275 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning61988.5%6.6%1.9%
Late morning39382.4%10.2%1.3%
Afternoon39165.2%24.0%3.1%
Evening27560.7%28.0%3.3%

Which weekday was most reliable for CLE to BOS?

Among qualifying CLE-to-BOS weekday results, Saturday had the highest on-time rate: 86.0% of 171 flights. Sunday was lowest at 70.7% across 239 flights.

DayFlightsOn time30+ minCancelled
Monday27173.4%15.5%4.8%
Tuesday23876.9%17.6%2.1%
Wednesday22978.6%11.8%2.6%
Thursday26776.0%17.6%1.1%
Friday26780.5%13.9%0.4%
Saturday17186.0%8.8%1.2%
Sunday23970.7%18.0%3.3%

Which airline was most reliable for CLE to BOS?

Among qualifying CLE-to-BOS airline results, Frontier Airlines had the highest on-time rate: 88.6% of 88 flights. JetBlue Airways was lowest at 69.8% across 726 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways86881.9%12.1%2.2%
JetBlue Airways72669.8%19.6%2.3%
Frontier Airlines8888.6%6.8%2.3%

Which month was most reliable for CLE to BOS?

Among qualifying CLE-to-BOS month results, August 2025 had the highest on-time rate: 89.7% of 175 flights. December 2025 was lowest at 64.3% across 140 flights.

MonthFlightsOn time30+ minCancelled
July 202517873.0%20.8%2.8%
August 202517589.7%5.1%1.1%
September 202517068.2%23.5%2.9%
October 202517976.0%20.1%0.0%
November 202515879.7%12.0%1.3%
December 202514064.3%20.0%4.3%
January 20269467.0%19.1%7.4%
February 20267967.1%16.5%7.6%
March 202610780.4%11.2%3.7%
April 202611288.4%6.2%0.0%
May 202614084.3%9.3%0.0%
June 202615081.3%14.0%0.7%

What drove CLE to BOS delay minutes?

National airspace was the largest recorded CLE-to-BOS delay category, accounting for 41.0% of 25,088 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.7%
Late aircraft29.4%
National airspace41.0%
Weather1.8%
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.