PlainFlights

Route · BWI → RDU · 2020–2025 BTS data

Baltimore to Raleigh/Durham

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to RDU (Baltimore to Raleigh/Durham) ranks #1307 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.4%
On-time
-0.6 pts
vs US avg
56 min
Delay when late
9,159
Flights
#1307 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Nov 2024 90%

Worst Month

Jul 2024 54%

Distance

255 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 161 32 3 0 WN
Nov 2025 160 28 6 0 WN
Oct 2025 167 39 0 0 WN
Sep 2025 142 15 0 0 WN
Aug 2025 149 31 2 0 WN,NK
Jul 2025 169 47 7 0 NK,WN
Jun 2025 167 46 2 0 WN,NK
May 2025 155 30 1 0 WN,NK
Apr 2025 146 23 0 0 WN
Mar 2025 146 22 3 0 WN
Feb 2025 116 15 0 0 WN
Jan 2025 137 21 4 0 WN
Dec 2024 162 33 0 0 WN
Nov 2024 158 16 0 0 WN
Oct 2024 158 19 0 0 WN
Sep 2024 158 26 0 0 WN
Aug 2024 163 57 1 1 WN
Jul 2024 156 71 1 0 WN
Jun 2024 152 46 2 0 WN
May 2024 161 69 0 0 WN
Apr 2024 155 46 1 0 WN
Mar 2024 157 40 0 0 WN
Feb 2024 141 18 0 0 WN
Jan 2024 151 44 6 2 WN

BWI–RDU seasonal on-time pattern

Best: February (84.9%) · weakest: July (66.7%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 76.7%

Strongest calendar month

February

84.9% on-time · ~115 flights/mo

Busiest calendar month

March

~142 flights/mo avg

Weakest calendar month

July

66.7% on-time · ~133 flights/mo

Cancellation Rate

1.1%

39 of 3,687 flights

Diversion Rate

0.1%

3 of 3,687 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

RDU - Raleigh/Durham

Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.

RDU on-time profile

Compare the two airports

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

Compare BWI vs RDU

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: Raleigh/Durham · fleet on-time rank #3710 of 4927.

What the Data Says About BWI to RDU

The Baltimore to Raleigh/Durham corridor (BWI to RDU) posts a 78.4% on-time rate on the lower edge of the average band, based on 9,159 tracked flights. Late flights run 55.5 minutes behind on average. 7 carriers cover the 255-mile route; over the last 24 months, 39 of 3,687 flights were cancelled (1.1%) and 0.1% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 54% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, BWI–RDU peaks in February at 84.9% on-time while March carries the heaviest traffic (~142 flights per month) ; the softest month is July at 66.7%, a 18.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BWI to RDU rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BWI to RDU ranks #1307 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 RDU? ▼
Flights from Baltimore to Raleigh/Durham have a 78.4% on-time rate based on 9,159 flights. The average delay is 55.5 minutes. The best recent month was Nov 2024 with 90% on-time.
What is the cancellation rate for BWI to RDU? ▼
Over the last 24 months, 1.1% of flights on this route were cancelled (39 of 3,687 flights) and 0.1% were diverted.
How far is the flight from BWI to RDU? ▼
The flight distance from Baltimore (BWI) to Raleigh/Durham (RDU) is approximately 255 miles. This route is served by 7 carriers.
When is the best time to fly from BWI to RDU? ▼
The best recent month for on-time performance was Nov 2024 (90% on-time). The worst was Jul 2024 (54% on-time). Consider booking during months with historically better performance.

Airports on this route

BWI Airport

Baltimore
RDU Airport

Raleigh/Durham
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–RDU data

BWI–RDU is mid-pack at 78.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare BWI and RDU airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
  • If your dates flex, February (84.9% on-time) beats July (66.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.4% 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.