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Route · DTW → BWI · 2020–2025 BTS data

Detroit to Baltimore

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to BWI (Detroit to Baltimore) ranks #902 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.3%
On-time
+6.3 pts
vs US avg
69 min
Delay when late
12,056
Flights
#902 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Feb 2024 92%

Worst Month

Jan 2024 68%

Distance

409 mi

Carriers

28

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 165 47 4 0 DL,WN,F9
Nov 2025 160 28 0 0 DL,F9,WN
Oct 2025 232 22 0 0 WN,DL,F9,NK
Sep 2025 218 28 0 0 WN,DL,NK,F9
Aug 2025 227 38 0 1 WN,F9,NK,DL
Jul 2025 219 52 4 0 NK,WN,YX,DL,F9
Jun 2025 215 43 1 0 WN,DL,F9,NK
May 2025 207 30 0 0 OO,WN,DL,F9,NK
Apr 2025 165 28 1 0 DL,F9,WN
Mar 2025 172 25 1 0 DL,WN,F9,NK
Feb 2025 146 31 1 0 DL,WN,F9
Jan 2025 164 39 3 0 DL,WN,F9
Dec 2024 167 29 0 0 DL,F9,WN
Nov 2024 180 21 1 0 WN,YX,DL,OO,F9
Oct 2024 197 17 0 0 OO,WN,DL,NK,F9
Sep 2024 188 23 0 0 WN,DL,F9
Aug 2024 187 35 6 0 DL,F9,WN
Jul 2024 189 57 10 1 DL,F9,WN
Jun 2024 175 45 2 0 DL,F9,NK,WN
May 2024 173 41 2 0 DL,F9,NK,WN
Apr 2024 162 27 0 0 DL,F9,WN
Mar 2024 155 16 0 0 DL,WN
Feb 2024 143 11 0 0 DL,WN
Jan 2024 151 49 5 0 DL,WN

DTW–BWI seasonal on-time pattern

Best: October (90.8%) · weakest: July (77.2%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 82.7%

Strongest calendar month

October

90.8% on-time · ~181 flights/mo

Busiest calendar month

October

~181 flights/mo avg

Weakest calendar month

July

77.2% on-time · ~171 flights/mo

Cancellation Rate

0.9%

41 of 4,357 flights

Diversion Rate

0.0%

2 of 4,357 flights

Explore origin & destination

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

DTW - Detroit

Full on-time, delay-cause, and seasonal performance for Detroit, MI.

DTW on-time profile

BWI - Baltimore

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

BWI on-time profile

Compare the two airports

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

Compare DTW vs BWI

Origin-hub reliability standing

Among DTW's stronger departures

DTW → BWI posts a 85.3% on-time rate, landing in the ≥85% band with 34 of 94 BTS-tracked routes leaving Detroit. The same hub also shows 60 mid-band and 0 challenged departures · fleet-wide on-time rank #1112 of 4927 (highest on-time = #1).

What the Data Says About DTW to BWI

Detroit to Baltimore (DTW to BWI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.3% on-time rate across 12,056 flights, with delays that do happen averaging 69.0 minutes. The corridor runs roughly 409 miles and is served by 28 carriers. Over the most recent 24 months, 41 of 4,357 flights were cancelled (0.9%) and 2 diverted (0.0%).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Jan 2024 came in at just 68% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, DTW–BWI peaks in October at 90.8% on-time ; the softest month is July at 77.2%, a 13.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DTW to BWI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DTW to BWI ranks #902 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 DTW to BWI? ▼
Flights from Detroit to Baltimore have a 85.3% on-time rate based on 12,056 flights. The average delay is 69.0 minutes. The best recent month was Feb 2024 with 92% on-time.
What is the cancellation rate for DTW to BWI? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (41 of 4,357 flights) and 0.0% were diverted.
How far is the flight from DTW to BWI? ▼
The flight distance from Detroit (DTW) to Baltimore (BWI) is approximately 409 miles. This route is served by 28 carriers.
When is the best time to fly from DTW to BWI? ▼
The best recent month for on-time performance was Feb 2024 (92% on-time). The worst was Jan 2024 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

DTW Airport

Detroit
BWI Airport

Baltimore
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 DTW–BWI data

DTW–BWI runs 6.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare DTW and BWI airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
  • If your dates flex, October (90.8% on-time) beats July (77.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.3% 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.