OnTimeRoutes
D

Frontier Airlines DFW to SEA on-time performance

Frontier Airlines nonstop flights from Dallas/Fort Worth to Seattle · Aug 2025 – Jul 2026

On-time arrivals
65%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
10 min
28 min when late
Rank on route
#4 of 4
route average 71% on time

Key facts

  • Frontier Airlines flights on DFW to SEA arrived on time 65% of the time in Aug 2025 – Jul 2026.
  • 0% were cancelled, and 0% arrived an hour or more late.
  • That ranks #4 of 4 airlines on this route, which averaged 71% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (74%).

On-time trend by month

40%70%100%July 2025: 75.0% on time, 0.0% cancelledJul ’25August 2025: 83.3% on time, 0.0% cancelledAug ’25October 2025: 60.0% on time, 0.0% cancelledOct ’25November 2025: 50.0% on time, 0.0% cancelledNov ’25December 2025: 60.0% on time, 0.0% cancelledDec ’25
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion74%
  • Extreme weather17%
  • Airline (crew, maintenance, cleaning, fueling)9%
  • Late-arriving aircraft0%
  • Security0%

Other airlines on DFW to SEA

Full DFW to SEA comparison →
Frontier Airlines on-time record across all routes →

20 Frontier 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.