LGA to BOS flight delays & on-time performance
Nonstop flights from LaGuardia Airport to Boston Logan International Airport · 184 miles · Aug 2025 – Jul 2026
- BOS: Ground delay program, avg 1 hour and 10 minutes. Flights to BOS are delayed at their origin airports due to runway construction: average 1 hour and 10 minutes, up to 3 hours.
On-time arrivals
74%
arrived < 15 min late
Cancelled
5.4%
396 flights
Avg arrival delay
19 min
70 min when late
Airlines
2
7,343 flights tracked
Key facts
- Flights from New York (LGA) to Boston (BOS) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 5.4% were cancelled, and 11% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (74% on time); Republic Airways was the least (74%).
- Departures scheduled around 6am did best (93% on time); around 7pm did worst (56%).
- Saturday was the most reliable day to fly (84% on time) and Sunday the least (69%).
- The largest source of delay minutes was air traffic control & airport congestion (36%).
Which airline is most on time from LGA to BOS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 74% | 3.9% | 23 min | 15.9% | 513 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 74% | 5.5% | 19 min | 10.7% | 6,830 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am93%647 flights
- 7am90%362 flights
- 8am84%546 flights
- 9am82%415 flights
- 10am80%522 flights
- 11am80%354 flights
- 12pm80%561 flights
- 1pm76%477 flights
- 2pm71%333 flights
- 3pm62%427 flights
- 4pm58%526 flights
- 5pm64%605 flights
- 6pm59%465 flights
- 7pm56%237 flights
- 8pm63%409 flights
- 9pm63%449 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%9.8% cancelled
- Tuesday75%6.1% cancelled
- Wednesday74%3.2% cancelled
- Thursday70%3.9% cancelled
- Friday76%2.9% cancelled
- Saturday84%2.9% cancelled
- Sunday69%7.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion36%
- Late-arriving aircraft36%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion39%
- Airline (crew, maintenance, cleaning, fueling)34%
- Extreme weather28%
- Security0%
LGA to BOS: common questions
- How often are LGA to BOS flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New York to Boston cancelled?
- 5.4% of scheduled flights were cancelled (396 of 7,343).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 70 min behind schedule on average, and 11.0% of flights were an hour or more late.
- How long is taxi time at LGA?
- Flights on this route spent 27 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOS to LGA — 77% on time
More flights from New York
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LGA → BOS, nonstop flights by US airlines that report to the DOT. How we calculate this.