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Route Reliability

Dallas–Fort Worth → Seattle

DFW–SEA · 1,660 miles · Dallas Fort Worth International Airport to Seattle–Tacoma International Airport

67
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
14 min
Average arrival delay
2.2%
Cancelled
5,238
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines80%710 flights
  2. 2.Alaska Airlines72%1,756 flights
  3. 3.American Airlines67%2,735 flights

Not enough history to rank: Frontier Airlines (37 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

DFW–SEA flights departing between 6–9 AM arrived on time 80% of the time, versus 47% between 9 PM–12 AM.

Tuesday has been the better bet.

A small edge: 73% on time on Tuesdays against 68% on Saturdays.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 80% of the time on this route; American Airlines managed 67%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon71%(759 flights)
  • Tue73%(702 flights)
  • Wed70%(706 flights)
  • Thu71%(771 flights)
  • Fri72%(759 flights)
  • Sat68%(646 flights)
  • Sun69%(773 flights)
On-time by departure window
  • 6–9 AM80%(1389 flights)
  • 9 AM–12 PM78%(684 flights)
  • 12–3 PM70%(716 flights)
  • 3–6 PM70%(1040 flights)
  • 6–9 PM59%(1043 flights)
  • 9 PM–12 AM47%(244 flights)
On-time trend by month
70%
May

Jun 62% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%484
July 202564%497
August 202567%462
September 202575%422
October 202571%437
November 202575%404
December 202563%449
January 202673%360
February 202679%341
March 202674%377
April 202679%410
May 202670%473

Same trip, other airports

Keep nerding

Based on 5,238 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.