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Route Reliability

Dallas–Fort Worth → Ontario

DFW–ONT · 1,188 miles · Dallas Fort Worth International Airport to Ontario International Airport

63
A Little Dicey
WanderNerd Reliability Score
69%
Arrive within 15 minutes
15 min
Average arrival delay
2.9%
Cancelled
2,315
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Frontier Airlines82%315 flights
  2. 2.American Airlines67%2,000 flights

What the data says

Morning-you made the right choice.

DFW–ONT flights departing between 6–9 AM arrived on time 85% of the time, versus 55% between 9 PM–12 AM.

Sunday scaries are real for this one.

DFW–ONT flights arrived on time 74% of the time on Tuesdays. On Sundays: 64%.

Frontier Airlines runs this route best.

Frontier Airlines arrived on time 82% of the time on this route; American Airlines managed 67%.

Slipping a little lately.

DFW–ONT flights arrived on time 74% of the time over the last three months in the data, compared with 80% 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
  • Mon70%(332 flights)
  • Tue74%(294 flights)
  • Wed69%(283 flights)
  • Thu69%(353 flights)
  • Fri72%(331 flights)
  • Sat69%(301 flights)
  • Sun64%(353 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM85%(324 flights)
  • 9 AM–12 PM71%(338 flights)
  • 12–3 PM82%(436 flights)
  • 3–6 PM64%(431 flights)
  • 6–9 PM62%(145 flights)
  • 9 PM–12 AM55%(566 flights)
On-time trend by month
67%
May

Jun 56% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%211
July 202551%216
August 202559%204
September 202574%179
October 202571%204
November 202571%182
December 202575%199
January 202676%154
February 202688%149
March 202685%181
April 202669%178
May 202667%190

Same trip, other airports

Keep nerding

Based on 2,315 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.