Fort Lauderdale (FLL) to Chicago (ORD): On-Time Performance
Data through July 2026
The calendar drives reliability on FLL–ORD. November 2024 flights landed on schedule 88% of the time, but July 2024 dropped to 50% — a gap of 38 points. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 59%), which matters most in the rough months.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 9.5
- last 12 months
- Duration
- 3h 27m
- scheduled
- Distance
- 1,182 mi
Best airline from FLL to ORD
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 77% | 19 min | 0.8% | 2,821 |
| American Airlines | 71% | 31 min | 1.3% | 1,318 |
| Spirit Airlines | 68% | 24 min | 1.8% | 2,086 |
| Frontier Airlines | 65% | 49 min | 2.7% | 182 |
Monthly on-time trend
Best time to fly from FLL to ORD
Aim for departures around 6 a.m. (90% on-time); avoid 5 p.m. departures (49%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 28 min |
| Tuesdaybest | 77% | 17 min |
| Wednesday | 76% | 17 min |
| Thursday | 73% | 21 min |
| Friday | 68% | 29 min |
| Saturday | 72% | 24 min |
| Sunday | 67% | 29 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations26%
- National airspace system34%
- Weather6%
Frequently asked questions
- How often are flights from FLL to ORD delayed?
- 28% of FLL–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 24 minutes.
- Which airline is most reliable from FLL to ORD?
- United Airlines has the best on-time record on this route at 77%, based on 2,821 flights. 4 airlines flew FLL–ORD frequently enough to compare in this period.
- What is the best time of day to fly from FLL to ORD?
- Departures around 6 a.m. have the best record (90% on-time), while departures around 5 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FLL to ORD?
- The scheduled FLL–ORD flight time averages 3h 27m over 1,182 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are FLL to ORD flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from FLL to ORD?
- July 2024 was the roughest month in this dataset, with only 50% of arrivals on time. The best was November 2024 at 88%. If your dates are flexible, that 38-point gap is worth planning around.
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Based on 6,486 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.