EYW to ORD flight delays & on-time performance
Nonstop flights from Key West International Airport to Chicago O'Hare International Airport · 1,251 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EYW or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Key West (EYW) to Chicago (ORD) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.5% were cancelled, and 14% arrived an hour or more late.
- Republic Airways was the most punctual airline here (80% on time); United Airlines was the least (54%).
- Departures scheduled around 12pm did best (89% on time); around 3pm did worst (64%).
- Wednesday was the most reliable day to fly (72% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (39%).
Which airline is most on time from EYW to ORD?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 80% | 2.0% | 18 min | 9.5% | 203 |
| Envoy AirRegional airline operating American Eagle flights. | 68% | 1.4% | 30 min | 13.8% | 434 |
| United Airlines | 54% | 1.4% | 50 min | 19.4% | 138 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%33 flights
- 12pm89%28 flights
- 1pm69%194 flights
- 3pm64%88 flights
- 4pm66%310 flights
- 6pm65%114 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%4.5% cancelled
- Tuesday68%0.0% cancelled
- Wednesday72%0.0% cancelled
- Thursday67%1.8% cancelled
- Friday66%0.0% cancelled
- Saturday69%1.7% cancelled
- Sunday65%2.7% 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 aircraft39%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion26%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion17%
- Security0%
EYW to ORD: common questions
- How often are EYW to ORD flights on time?
- 69% 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 Key West to Chicago cancelled?
- 1.5% of scheduled flights were cancelled (12 of 775).
- How long are typical delays?
- Across all flights the average arrival delay was 30 min (early arrivals count as zero). Flights that were late arrived 93 min behind schedule on average, and 13.7% of flights were an hour or more late.
- How long is taxi time at EYW?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to EYW — 81% on time
More flights from Key West
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EYW → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.