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Route · BDL → DTW · 2020–2025 BTS data

Hartford to Detroit

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BDL to DTW (Hartford to Detroit) ranks #1714 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.9%
On-time
+9.9 pts
vs US avg
102 min
Delay when late
7,390
Flights
#1714 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Sep 2025 96%

Worst Month

Jan 2024 66%

Distance

549 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 107 24 3 0 DL
Nov 2025 106 14 0 0 DL
Oct 2025 113 5 0 0 DL
Sep 2025 110 4 0 0 DL,NK
Aug 2025 144 15 0 0 NK,DL
Jul 2025 146 22 0 1 NK,OO,DL
Jun 2025 133 23 4 0 DL,NK
May 2025 112 11 0 0 DL
Apr 2025 86 14 0 0 DL,OO
Mar 2025 88 6 0 0 OO,DL
Feb 2025 78 16 0 0 DL
Jan 2025 89 10 3 0 DL
Dec 2024 107 20 0 0 DL
Nov 2024 111 8 0 0 DL,OO
Oct 2024 118 8 0 0 OO,DL,9E
Sep 2024 109 8 0 0 OO,DL
Aug 2024 116 17 0 0 DL
Jul 2024 116 26 9 0 9E,DL
Jun 2024 114 18 0 0 9E,DL
May 2024 113 10 0 0 9E,DL
Apr 2024 86 8 0 0 9E,DL
Mar 2024 88 6 0 0 9E,DL
Feb 2024 78 10 0 0 9E,DL
Jan 2024 89 30 3 0 9E,DL,OO

BDL–DTW seasonal on-time pattern

Best: September (93.8%) · weakest: February (81.2%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 86.4%

Strongest calendar month

September

93.8% on-time · ~105 flights/mo

Busiest calendar month

August

~117 flights/mo avg

Weakest calendar month

February

81.2% on-time · ~88 flights/mo

Cancellation Rate

0.9%

22 of 2,557 flights

Diversion Rate

0.0%

1 of 2,557 flights

Explore origin & destination

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

BDL - Hartford

Full on-time, delay-cause, and seasonal performance for Hartford, CT.

BDL on-time profile

DTW - Detroit

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

DTW on-time profile

Compare the two airports

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

Compare BDL vs DTW

Origin-hub reliability standing

Among BDL's stronger departures

BDL → DTW posts a 88.9% on-time rate, landing in the ≥85% band with 7 of 22 BTS-tracked routes leaving Hartford. The same hub also shows 13 mid-band and 2 challenged departures · fleet-wide on-time rank #261 of 4927 (highest on-time = #1).

What the Data Says About BDL to DTW

Hartford to Detroit (BDL to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.9% on-time rate across 7,390 flights, with delays that do happen averaging 101.7 minutes. The corridor runs roughly 549 miles and is served by 16 carriers. Over the most recent 24 months, 22 of 2,557 flights were cancelled (0.9%) and 1 diverted (0.0%).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 96% on-time, while Jan 2024 came in at just 66% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, BDL–DTW peaks in September at 93.8% on-time while August carries the heaviest traffic (~117 flights per month) ; the softest month is February at 81.2%, a 12.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BDL to DTW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BDL to DTW ranks #1714 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 BDL to DTW? ▼
Flights from Hartford to Detroit have a 88.9% on-time rate based on 7,390 flights. The average delay is 101.7 minutes. The best recent month was Sep 2025 with 96% on-time.
What is the cancellation rate for BDL to DTW? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (22 of 2,557 flights) and 0.0% were diverted.
How far is the flight from BDL to DTW? ▼
The flight distance from Hartford (BDL) to Detroit (DTW) is approximately 549 miles. This route is served by 16 carriers.
When is the best time to fly from BDL to DTW? ▼
The best recent month for on-time performance was Sep 2025 (96% on-time). The worst was Jan 2024 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

BDL Airport

Hartford
DTW Airport

Detroit
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 BDL–DTW data

BDL–DTW runs 9.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BDL and DTW airport profiles: delay causes and top routes differ even on the same corridor. BDL airport
  • If your dates flex, September (93.8% on-time) beats February (81.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.9% 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.