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Route Reliability

Washington → Dallas–Fort Worth

IAD–DFW · 1,172 miles · Washington Dulles International Airport to Dallas Fort Worth International Airport

74
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
11 min
Average arrival delay
2.2%
Cancelled
1,963
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Frontier Airlines83%155 flights
  2. 2.United Airlines81%975 flights
  3. 3.American Airlines74%833 flights

What the data says

The 12–3 PM departure wins.

IAD–DFW flights departing between 12–3 PM arrived on time 88% of the time, versus 55% between 6–9 PM.

Saturday is the weak spot.

IAD–DFW flights arrived on time 83% of the time on Tuesdays. On Saturdays: 74%.

Frontier Airlines runs this route best.

Frontier Airlines arrived on time 83% of the time on this route; American Airlines managed 74%.

Slipping a little lately.

IAD–DFW flights arrived on time 77% of the time over the last three months in the data, compared with 82% in the three months before that.

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
  • Mon79%(300 flights)
  • Tue83%(233 flights)
  • Wed77%(235 flights)
  • Thu80%(293 flights)
  • Fri81%(298 flights)
  • Sat74%(254 flights)
  • Sun76%(289 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM86%(618 flights)
  • 9 AM–12 PM84%(212 flights)
  • 12–3 PM88%(371 flights)
  • 3–6 PM67%(559 flights)
  • 6–9 PM55%(135 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
75%
May

Jun 69% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%185
July 202569%179
August 202581%165
September 202585%182
October 202584%171
November 202579%139
December 202572%138
January 202687%128
February 202687%143
March 202680%145
April 202677%155
May 202675%172

Same trip, other airports

Keep nerding

Based on 1,963 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.