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Route Reliability

Chicago → Fort Myers

ORD–RSW · 1,120 miles · Chicago O'Hare International Airport to Southwest Florida International Airport

77
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
1.6%
Cancelled
3,242
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines82%1,615 flights
  2. 2.Southwest Airlines78%102 flights
  3. 3.American Airlines73%1,094 flights
  4. 4.Spirit Airlines63%395 flights

Not enough history to rank: Frontier Airlines (36 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

ORD–RSW flights departing between 3–6 AM arrived on time 91% of the time, versus 53% between 6–9 PM.

Sunday scaries are real for this one.

ORD–RSW flights arrived on time 83% of the time on Tuesdays. On Sundays: 72%.

United Airlines has a clear lead on this route.

United Airlines arrived on time 82% of the time on this route; Spirit Airlines managed 63%.

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
  • Mon75%(462 flights)
  • Tue83%(429 flights)
  • Wed78%(424 flights)
  • Thu82%(469 flights)
  • Fri74%(469 flights)
  • Sat73%(447 flights)
  • Sun72%(481 flights)
On-time by departure window
  • 12–3 AM—(2 flights)
  • 3–6 AM91%(11 flights)
  • 6–9 AM86%(959 flights)
  • 9 AM–12 PM79%(890 flights)
  • 12–3 PM76%(461 flights)
  • 3–6 PM69%(532 flights)
  • 6–9 PM53%(326 flights)
On-time trend by month
82%
May

Jun 81% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%180
July 202576%177
August 202578%180
September 202593%168
October 202584%199
November 202580%260
December 202569%334
January 202671%310
February 202681%337
March 202668%448
April 202674%356
May 202682%232

Same trip, other airports

Keep nerding

Based on 3,242 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.