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Route Reliability

Ontario → Dallas–Fort Worth

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

70
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
12 min
Average arrival delay
3.0%
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.American Airlines79%2,000 flights
  2. 2.Frontier Airlines77%315 flights

What the data says

Morning-you made the right choice.

ONT–DFW flights departing between 3–6 AM arrived on time 91% of the time, versus 68% between 12–3 PM.

Tuesday has been the better bet.

A small edge: 81% on time on Tuesdays against 76% on Sundays.

Not much between American Airlines and Frontier Airlines.

On this route they all land within 77% to 79% on time. Pick on schedule and price.

Keep a backup plan handy.

This route was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

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
  • Mon80%(328 flights)
  • Tue81%(303 flights)
  • Wed77%(283 flights)
  • Thu79%(344 flights)
  • Fri79%(326 flights)
  • Sat77%(301 flights)
  • Sun76%(343 flights)
On-time by departure window
  • 12–3 AM88%(34 flights)
  • 3–6 AM91%(11 flights)
  • 6–9 AM87%(787 flights)
  • 9 AM–12 PM74%(374 flights)
  • 12–3 PM68%(545 flights)
  • 3–6 PM71%(120 flights)
  • 6–9 PM74%(86 flights)
  • 9 PM–12 AM81%(271 flights)
On-time trend by month
82%
May

Jun 70% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%209
July 202566%213
August 202567%202
September 202578%177
October 202580%202
November 202578%181
December 202582%198
January 202683%152
February 202687%149
March 202683%180
April 202688%178
May 202682%187

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.