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Route · BWI → CMH · 2020–2025 BTS data

Baltimore to Columbus

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to CMH (Baltimore to Columbus) ranks #2149 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.7%
On-time
-3.3 pts
vs US avg
58 min
Delay when late
5,813
Flights
#2149 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Nov 2024 93%

Worst Month

Aug 2024 59%

Distance

337 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 95 24 0 0 WN
Nov 2025 91 15 0 1 WN
Oct 2025 97 23 0 0 WN
Sep 2025 90 12 0 0 WN
Aug 2025 92 13 2 1 WN
Jul 2025 92 31 9 0 WN
Jun 2025 90 30 1 0 WN
May 2025 88 25 0 0 WN
Apr 2025 87 20 0 1 WN
Mar 2025 90 19 0 0 WN
Feb 2025 73 19 0 0 WN
Jan 2025 76 13 5 0 WN
Dec 2024 93 28 0 0 WN
Nov 2024 90 6 0 1 WN
Oct 2024 108 17 0 0 WN
Sep 2024 103 13 0 1 WN
Aug 2024 105 43 1 0 WN
Jul 2024 92 37 0 0 WN
Jun 2024 89 27 0 0 WN
May 2024 89 35 0 0 WN
Apr 2024 87 21 0 0 WN
Mar 2024 90 29 0 0 WN
Feb 2024 70 8 0 0 WN
Jan 2024 80 25 1 0 WN

BWI–CMH seasonal on-time pattern

Best: November (86.5%) · weakest: July (64.7%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 76.6%

Strongest calendar month

November

86.5% on-time · ~82 flights/mo

Busiest calendar month

October

~95 flights/mo avg

Weakest calendar month

July

64.7% on-time · ~89 flights/mo

Cancellation Rate

0.9%

19 of 2,157 flights

Diversion Rate

0.2%

5 of 2,157 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

BWI - Baltimore

Full on-time, delay-cause, and seasonal performance for Baltimore, MD.

BWI on-time profile

CMH - Columbus

Full on-time, delay-cause, and seasonal performance for Columbus, OH.

CMH on-time profile

Compare the two airports

See BWI and CMH side by side on delays, cancellations, and reliability.

Compare BWI vs CMH

Origin-hub reliability standing

Mid-pack among BWI departures

From BWI, this corridor sits with 53 other 75–85% on-time routes out of 64 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 11 below 75%). Destination: Columbus · fleet on-time rank #4353 of 4927.

What the Data Says About BWI to CMH

The Baltimore to Columbus corridor (BWI to CMH) posts a 75.7% on-time rate on the lower edge of the average band, based on 5,813 tracked flights. Late flights run 57.5 minutes behind on average. 1 carrier cover the 337-mile route; over the last 24 months, 19 of 2,157 flights were cancelled (0.9%) and 0.2% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 93% on-time, while Aug 2024 came in at just 59% - a 34-point swing worth factoring into travel timing.

On the multi-year calendar, BWI–CMH peaks in November at 86.5% on-time while October carries the heaviest traffic (~95 flights per month) ; the softest month is July at 64.7%, a 21.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BWI to CMH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BWI to CMH ranks #2149 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 BWI to CMH? ▼
Flights from Baltimore to Columbus have a 75.7% on-time rate based on 5,813 flights. The average delay is 57.5 minutes. The best recent month was Nov 2024 with 93% on-time.
What is the cancellation rate for BWI to CMH? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (19 of 2,157 flights) and 0.2% were diverted.
How far is the flight from BWI to CMH? ▼
The flight distance from Baltimore (BWI) to Columbus (CMH) is approximately 337 miles. This route is served by 1 carrier.
When is the best time to fly from BWI to CMH? ▼
The best recent month for on-time performance was Nov 2024 (93% on-time). The worst was Aug 2024 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

BWI Airport

Baltimore
CMH Airport

Columbus
Data source

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

Read our methodology - how this data is sourced, computed, and verified.

Using BWI–CMH data

BWI–CMH is mid-pack at 75.7% on-time; month and carrier mix move more than the corridor headline.

  • Compare BWI and CMH airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
  • If your dates flex, November (86.5% on-time) beats July (64.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.7% 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.