Delta Air Lines FLL to BOS on-time performance
Delta Air Lines nonstop flights from Fort Lauderdale to Boston · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
3.2%
28 flights
Avg arrival delay
23 min
79 min when late
Rank on route
#1 of 3
route average 67% on time
Key facts
- Delta Air Lines flights on FLL to BOS arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 3.2% were cancelled, and 12% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 67% on time overall.
- The largest source of delay minutes was late-arriving aircraft (41%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion23%
- Extreme weather1%
- Security0%
Other airlines on FLL to BOS
- JetBlue66% on time · 27 min avg delay
- Spirit Airlines61% on time · 30 min avg delay
Full FLL to BOS comparison →
Delta Air Lines on-time record across all routes →
885 Delta Air Lines flights tracked on this route; 28 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.