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Route Reliability

Fort Lauderdale → Chicago

FLL–ORD · 1,182 miles · Fort Lauderdale–Hollywood International Airport to Chicago O'Hare International Airport

64
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
20 min
Average arrival delay
1.7%
Cancelled
3,414
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines76%1,448 flights
  2. 2.American Airlines71%827 flights
  3. 3.Spirit Airlines63%985 flights
  4. 4.Frontier Airlines54%121 flights

Not enough history to rank: Southwest Airlines (33 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

FLL–ORD flights departing between 6–9 AM arrived on time 84% of the time, versus 52% between 3–6 PM.

Sunday scaries are real for this one.

FLL–ORD flights arrived on time 75% of the time on Tuesdays. On Sundays: 62%.

United Airlines has a clear lead on this route.

United Airlines arrived on time 76% of the time on this route; Frontier Airlines managed 54%.

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%(487 flights)
  • Tue75%(438 flights)
  • Wed75%(425 flights)
  • Thu75%(501 flights)
  • Fri65%(488 flights)
  • Sat71%(484 flights)
  • Sun62%(510 flights)
On-time by departure window
  • 6–9 AM84%(781 flights)
  • 9 AM–12 PM83%(310 flights)
  • 12–3 PM75%(939 flights)
  • 3–6 PM52%(723 flights)
  • 6–9 PM60%(336 flights)
  • 9 PM–12 AM57%(244 flights)
On-time trend by month
79%
May

Jun 75% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%193
July 202571%205
August 202578%199
September 202585%205
October 202577%219
November 202573%281
December 202570%357
January 202664%374
February 202671%353
March 202653%413
April 202666%308
May 202679%226

Same trip, other airports

Keep nerding

Based on 3,414 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.