PlainFlights

Route · ORD → DAY · 2020–2025 BTS data

Chicago to Dayton

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORD to DAY (Chicago to Dayton) ranks #2348 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.1%
On-time
+0.1 pts
vs US avg
91 min
Delay when late
5,361
Flights
#2348 of 4927
Corpus placement

Cancelled

2.2%

Best Month

Mar 2024 93%

Worst Month

Jul 2025 57%

Distance

240 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 176 69 12 0 YX,OH,MQ,UA,OO
Nov 2025 230 62 19 0 OO,UA,MQ,OH
Oct 2025 165 47 0 0 OH,OO,UA,MQ
Sep 2025 119 30 1 0 UA,OH,YX,MQ
Aug 2025 120 37 7 0 OO,OH
Jul 2025 106 46 5 0 OH,OO,YX
Jun 2025 184 60 2 0 OH,OO
May 2025 140 16 2 0 OO,MQ
Apr 2025 111 21 0 0 OO,YX
Mar 2025 69 17 0 0 OO,YX
Feb 2025 111 32 2 0 OO,YX
Jan 2025 106 30 2 0 OO
Dec 2024 36 6 0 0 OO
Nov 2024 88 15 1 0 OO
Oct 2024 119 25 0 0 OO
Sep 2024 120 21 0 0 YX,OO
Aug 2024 124 41 0 0 OO
Jul 2024 122 28 2 1 OO
Jun 2024 115 31 1 1 OO
May 2024 122 43 3 0 YX,OO
Apr 2024 120 18 0 0 OO,YX
Mar 2024 110 8 0 1 YX,OO
Feb 2024 74 10 0 0 OO
Jan 2024 59 19 5 0 OO

ORD–DAY seasonal on-time pattern

Best: March (88.9%) · weakest: December (71.4%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 71.4%

Strongest calendar month

March

88.9% on-time · ~99 flights/mo

Busiest calendar month

June

~110 flights/mo avg

Weakest calendar month

December

71.4% on-time · ~75 flights/mo

Cancellation Rate

2.2%

64 of 2,846 flights

Diversion Rate

0.1%

3 of 2,846 flights

Origin-hub reliability standing

Mid-pack among ORD departures

From ORD, this corridor sits with 147 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 11 below 75%). Destination: Dayton · fleet on-time rank #3491 of 4927.

What the Data Says About ORD to DAY

5,361 tracked flights put the ORD to DAY pairing (Chicago to Dayton) at a 79.1% on-time rate, squarely in line with the wider network. Delays that do occur run 91.4 minutes on average. Across the 240-mile route and its 16 carriers, the trailing 24 months show 2.2% cancelled and 0.1% diverted (2,846 flights sampled).

The monthly split is wide on this route: Mar 2024 posted the strongest performance at 93% on-time, while Jul 2025 came in at just 57% - a 36-point swing worth factoring into travel timing.

On the multi-year calendar, ORD–DAY peaks in March at 88.9% on-time while June carries the heaviest traffic (~110 flights per month) ; the softest month is December at 71.4%, a 17.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ORD to DAY rank among US routes by traffic?
According to PlainFlights' route traffic ranking, ORD to DAY ranks #2348 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 ORD to DAY?
Flights from Chicago to Dayton have a 79.1% on-time rate based on 5,361 flights. The average delay is 91.4 minutes. The best recent month was Mar 2024 with 93% on-time.
What is the cancellation rate for ORD to DAY?
Over the last 24 months, 2.2% of flights on this route were cancelled (64 of 2,846 flights) and 0.1% were diverted.
How far is the flight from ORD to DAY?
The flight distance from Chicago (ORD) to Dayton (DAY) is approximately 240 miles. This route is served by 16 carriers.
When is the best time to fly from ORD to DAY?
The best recent month for on-time performance was Mar 2024 (93% on-time). The worst was Jul 2025 (57% 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 ORD–DAY data

ORD–DAY is mid-pack at 79.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare ORD and DAY airport profiles: delay causes and top routes differ even on the same corridor. ORD airport
  • If your dates flex, March (88.9% on-time) beats December (71.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.1% 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.