PlainFlights

Route · EYW → ORD · 2020–2025 BTS data

Key West to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), EYW to ORD (Key West to Chicago) ranks #3399 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

71.8%
On-time
-7.2 pts
vs US avg
77 min
Delay when late
2,776
Flights
#3399 of 4927
Corpus placement

Cancelled

1.8%

Best Month

Feb 2023 83%

Worst Month

Feb 2022 42%

Distance

1,251 mi

Carriers

17

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 89 36 0 1 YX,MQ,UA
Nov 2025 69 19 3 1 MQ,YX
May 2025 31 11 0 0 MQ
Apr 2025 64 25 2 1 MQ,UA
Mar 2025 83 27 1 0 YX,UA,MQ
Feb 2025 56 13 0 0 UA,MQ
Jan 2025 66 16 0 0 UA,MQ
Dec 2024 70 13 3 0 MQ,UA,YX
Nov 2024 55 15 0 0 UA,MQ
Apr 2024 60 21 0 1 MQ,UA
Mar 2024 62 26 0 1 MQ,UA
Feb 2024 58 14 1 0 MQ,UA
Jan 2024 62 25 4 0 MQ,UA
Dec 2023 42 14 0 0 UA,MQ
Apr 2023 60 24 1 2 YX,MQ
Mar 2023 62 15 1 2 MQ,YX
Feb 2023 54 9 0 1 MQ,YX
Jan 2023 44 14 1 1 MQ,YX
Dec 2022 48 21 0 0 YX,MQ
May 2022 36 11 0 0 YX,AA
Apr 2022 61 26 2 1 MQ,YX,AA
Mar 2022 66 37 0 0 MQ,YX,AA
Feb 2022 60 35 3 1 AA,YX,MQ
Jan 2022 66 34 4 6 MQ,YX,AA

EYW–ORD seasonal on-time pattern

Best: September (86.0%) · weakest: April (66.2%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 67.8%

Strongest calendar month

September

86.0% on-time · ~50 flights/mo

Busiest calendar month

June

~117 flights/mo avg

Weakest calendar month

April

66.2% on-time · ~63 flights/mo

Cancellation Rate

1.8%

26 of 1,424 flights

Diversion Rate

1.3%

19 of 1,424 flights

Origin-hub reliability standing

Softer reliability from EYW

Among 11 routes leaving EYW, only 6 (including this one) clear below 75% on-time, while 0 stay ≥85% and 5 sit mid-band. Travelers comparing EYW options should weigh this 71.8% print against those peers · fleet on-time rank #4770 of 4927.

What the Data Says About EYW to ORD

On-time performance on the EYW to ORD pairing (Key West to Chicago) trails a chunk of the network: 71.8% of 2,776 tracked flights arrived on schedule, with a 76.9-minute average delay on the ones that ran late. The route spans about 1,251 miles across 17 carriers. Cancellations over the trailing 24 months hit 1.8% (26 of 1,424 flights), with 1.3% diverted.

The monthly split is wide on this route: Feb 2023 posted the strongest performance at 83% on-time, while Feb 2022 came in at just 42% - a 42-point swing worth factoring into travel timing.

On the multi-year calendar, EYW–ORD peaks in September at 86.0% on-time while June carries the heaviest traffic (~117 flights per month) ; the softest month is April at 66.2%, a 19.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does EYW to ORD rank among US routes by traffic?
According to PlainFlights' route traffic ranking, EYW to ORD ranks #3399 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from EYW to ORD?
Flights from Key West to Chicago have a 71.8% on-time rate based on 2,776 flights. The average delay is 76.9 minutes. The best recent month was Feb 2023 with 83% on-time.
What is the cancellation rate for EYW to ORD?
Over the last 24 months, 1.8% of flights on this route were cancelled (26 of 1,424 flights) and 1.3% were diverted.
How far is the flight from EYW to ORD?
The flight distance from Key West (EYW) to Chicago (ORD) is approximately 1,251 miles. This route is served by 17 carriers.
When is the best time to fly from EYW to ORD?
The best recent month for on-time performance was Feb 2023 (83% on-time). The worst was Feb 2022 (42% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using EYW–ORD data

EYW–ORD sits 7.2 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare EYW and ORD airport profiles: delay causes and top routes differ even on the same corridor. EYW airport
  • If your dates flex, September (86.0% on-time) beats April (66.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 71.8% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.