MDW to FLL flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to Fort Lauderdale Hollywood International Airport · 1,167 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or FLL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (MDW) to Fort Lauderdale (FLL) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.6% were cancelled, and 7% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (94% on time); around 7pm did worst (53%).
- Wednesday was the most reliable day to fly (80% on time) and Friday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from MDW to FLL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 74% | 1.6% | 16 min | 6.9% | 1,123 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am92%52 flights
- 6am94%48 flights
- 7am84%126 flights
- 8am80%148 flights
- 9am85%23 flights
- 11am76%39 flights
- 12pm76%44 flights
- 1pm69%132 flights
- 2pm64%71 flights
- 3pm60%64 flights
- 4pm75%12 flights
- 5pm80%65 flights
- 6pm71%167 flights
- 7pm53%104 flights
- 8pm65%24 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%3.8% cancelled
- Tuesday73%0.0% cancelled
- Wednesday80%0.7% cancelled
- Thursday70%2.6% cancelled
- Friday69%0.0% cancelled
- Saturday80%3.3% cancelled
- Sunday73%0.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion19%
- Security3%
- Extreme weather1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather72%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)6%
- Security0%
MDW to FLL: common questions
- How often are MDW to FLL flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Chicago to Fort Lauderdale cancelled?
- 1.6% of scheduled flights were cancelled (18 of 1,123).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 6.9% of flights were an hour or more late.
- How long is taxi time at MDW?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: FLL to MDW — 71% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MDW → FLL, nonstop flights by US airlines that report to the DOT. How we calculate this.