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Route · BWI → BDL · 2020–2025 BTS data

Baltimore to Hartford

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to BDL (Baltimore to Hartford) ranks #1323 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.1%
On-time
-3.9 pts
vs US avg
55 min
Delay when late
9,086
Flights
#1323 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Sep 2025 90%

Worst Month

Jul 2024 56%

Distance

283 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 148 35 1 0 WN
Nov 2025 144 16 3 0 WN
Oct 2025 150 27 0 0 WN
Sep 2025 146 14 0 0 WN
Aug 2025 150 23 3 0 WN
Jul 2025 158 42 7 1 WN
Jun 2025 154 41 3 0 WN
May 2025 153 36 1 0 WN
Apr 2025 147 23 0 0 WN
Mar 2025 139 34 3 0 WN
Feb 2025 127 21 1 0 WN
Jan 2025 131 24 5 0 WN
Dec 2024 149 32 0 0 WN
Nov 2024 140 30 0 0 WN
Oct 2024 150 20 0 0 WN
Sep 2024 145 24 0 0 WN
Aug 2024 148 50 2 0 WN
Jul 2024 142 63 0 0 WN
Jun 2024 136 52 0 0 WN
May 2024 147 52 0 1 WN
Apr 2024 142 33 0 0 WN
Mar 2024 139 35 0 0 WN
Feb 2024 110 22 1 0 WN
Jan 2024 130 49 1 0 WN

BWI–BDL seasonal on-time pattern

Best: November (84.2%) · weakest: July (65.4%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 72.6%

Strongest calendar month

November

84.2% on-time · ~132 flights/mo

Busiest calendar month

August

~134 flights/mo avg

Weakest calendar month

July

65.4% on-time · ~127 flights/mo

Cancellation Rate

0.9%

31 of 3,425 flights

Diversion Rate

0.1%

2 of 3,425 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

BDL - Hartford

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

BDL on-time profile

Compare the two airports

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

Compare BWI vs BDL

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: Hartford · fleet on-time rank #4447 of 4927.

What the Data Says About BWI to BDL

The Baltimore to Hartford corridor (BWI to BDL) posts a 75.1% on-time rate on the lower edge of the average band, based on 9,086 tracked flights. Late flights run 54.8 minutes behind on average. 1 carrier cover the 283-mile route; over the last 24 months, 31 of 3,425 flights were cancelled (0.9%) and 0.1% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 56% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, BWI–BDL peaks in November at 84.2% on-time while August carries the heaviest traffic (~134 flights per month) ; the softest month is July at 65.4%, a 18.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BWI to BDL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BWI to BDL ranks #1323 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 BDL? ▼
Flights from Baltimore to Hartford have a 75.1% on-time rate based on 9,086 flights. The average delay is 54.8 minutes. The best recent month was Sep 2025 with 90% on-time.
What is the cancellation rate for BWI to BDL? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (31 of 3,425 flights) and 0.1% were diverted.
How far is the flight from BWI to BDL? ▼
The flight distance from Baltimore (BWI) to Hartford (BDL) is approximately 283 miles. This route is served by 1 carrier.
When is the best time to fly from BWI to BDL? ▼
The best recent month for on-time performance was Sep 2025 (90% on-time). The worst was Jul 2024 (56% on-time). Consider booking during months with historically better performance.

Airports on this route

BWI Airport

Baltimore
BDL Airport

Hartford
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–BDL data

BWI–BDL is mid-pack at 75.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare BWI and BDL airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
  • If your dates flex, November (84.2% on-time) beats July (65.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.1% 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.