Spirit Airlines DFW to BOS on-time performance
Spirit Airlines nonstop flights from Dallas/Fort Worth to Boston · Aug 2025 – Jul 2026
On-time arrivals
25%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
38 min
51 min when late
Rank on route
#4 of 4
route average 67% on time
Key facts
- Spirit Airlines flights on DFW to BOS arrived on time 25% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 25% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 67% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (66%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion66%
- Late-arriving aircraft18%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather0%
- Security0%
Other airlines on DFW to BOS
- American Airlines65% on time · 26 min avg delay
- Delta Air Lines76% on time · 23 min avg delay
- JetBlue59% on time · 36 min avg delay
Full DFW to BOS comparison →
Spirit Airlines on-time record across all routes →
4 Spirit Airlines flights tracked on this route; 0 cancelled, 0 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.