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

Boston, MA (BOS) to New York, NY (LGA) flight delay odds

73.2% of 7,251 official scheduled BOS-to-LGA flights arrived on time; 15.9% arrived at least 30 minutes late and 5.7% 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 SIGNALHigher disruption
73.2%arrived on time
15.9%30+ min late
5.7%cancelled
7,251scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.6%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+7.8 mincompleted flights

Which departure time was most reliable for BOS to LGA?

Among qualifying BOS-to-LGA departure window results, Early morning had the highest on-time rate: 87.2% of 1,512 flights. Night was lowest at 57.7% across 182 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,51287.2%5.4%4.2%
Late morning1,46182.5%9.0%3.8%
Afternoon2,33070.6%19.1%4.8%
Evening1,76658.7%24.9%9.8%
Night18257.7%29.7%4.9%

Which weekday was most reliable for BOS to LGA?

Among qualifying BOS-to-LGA weekday results, Saturday had the highest on-time rate: 82.5% of 366 flights. Sunday was lowest at 66.0% across 944 flights.

DayFlightsOn time30+ minCancelled
Monday1,19774.1%13.6%8.5%
Tuesday1,21774.2%16.4%5.5%
Wednesday1,18676.2%13.5%4.7%
Thursday1,17168.2%19.8%5.2%
Friday1,17076.2%14.8%3.7%
Saturday36682.5%9.8%1.9%
Sunday94466.0%19.9%8.2%

Which airline was most reliable for BOS to LGA?

Among qualifying BOS-to-LGA airline results, Delta Air Lines had the highest on-time rate: 86.4% of 543 flights. Republic Airways was lowest at 72.2% across 6,708 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways6,70872.2%16.5%5.8%
Delta Air Lines54386.4%7.6%4.2%

Which month was most reliable for BOS to LGA?

Among qualifying BOS-to-LGA month results, August 2025 had the highest on-time rate: 84.7% of 568 flights. March 2026 was lowest at 58.6% across 616 flights.

MonthFlightsOn time30+ minCancelled
July 202559265.9%17.4%11.8%
August 202556884.7%8.8%1.9%
September 202563475.1%16.6%3.2%
October 202567468.0%23.0%4.5%
November 202559972.6%19.5%4.7%
December 202550671.5%16.8%5.7%
January 202654373.1%12.9%9.6%
February 202655074.5%10.5%9.8%
March 202661658.6%21.6%11.2%
April 202664278.2%15.7%0.5%
May 202666678.7%13.4%2.7%
June 202666177.6%12.9%4.4%

What drove BOS to LGA delay minutes?

National airspace was the largest recorded BOS-to-LGA delay category, accounting for 37.7% of 116,745 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.4%
Late aircraft36.9%
National airspace37.7%
Weather4.8%
Security0.2%
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.