EYW to BOS flight delays & on-time performance
Nonstop flights from Key West International Airport to Boston Logan International Airport · 1,373 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EYW or BOS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Key West (EYW) to Boston (BOS) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.7% were cancelled, and 14% arrived an hour or more late.
- JetBlue was the most punctual airline here (75% on time); Republic Airways was the least (50%).
- Departures scheduled around 12pm did best (80% on time); around 3pm did worst (38%).
- Wednesday was the most reliable day to fly (86% on time) and Thursday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (58%).
Which airline is most on time from EYW 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 |
|---|---|---|---|---|---|
| JetBlue | 75% | 2.7% | 20 min | 12.3% | 182 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 50% | 3.3% | 47 min | 28.6% | 30 |
| Envoy AirRegional airline operating American Eagle flights. | 38% | 0.0% | 28 min | 12.5% | 8 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm80%116 flights
- 1pm69%73 flights
- 3pm38%22 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%6.3% cancelled
- Tuesday82%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday63%3.2% cancelled
- Friday70%0.0% cancelled
- Saturday69%0.0% cancelled
- Sunday66%8.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft58%
- Air traffic control & airport congestion25%
- Airline (crew, maintenance, cleaning, fueling)11%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather83%
- Air traffic control & airport congestion17%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
EYW to BOS: common questions
- How often are EYW to BOS flights on time?
- 71% 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 Key West to Boston cancelled?
- 2.7% of scheduled flights were cancelled (6 of 220).
- How long are typical delays?
- Across all flights the average arrival delay was 24 min (early arrivals count as zero). Flights that were late arrived 80 min behind schedule on average, and 14.5% of flights were an hour or more late.
- How long is taxi time at EYW?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOS to EYW — 73% on time
More flights from Key West
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EYW → BOS, nonstop flights by US airlines that report to the DOT. How we calculate this.