PlainFlights

Route · BOS → RDU · 2020–2025 BTS data

Boston to Raleigh/Durham

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOS to RDU (Boston to Raleigh/Durham) ranks #561 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.9%
On-time
+0.9 pts
vs US avg
79 min
Delay when late
16,152
Flights
#561 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Nov 2024 89%

Worst Month

Dec 2025 70%

Distance

612 mi

Carriers

27

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 249 74 3 0 DL,YX,F9,B6
Nov 2025 249 56 3 0 DL,F9,B6
Oct 2025 292 75 7 0 B6,DL,F9
Sep 2025 256 67 3 0 DL,YX,F9,B6
Aug 2025 230 58 2 0 YX,F9,B6,DL
Jul 2025 230 52 4 0 B6,DL,YX,F9
Jun 2025 237 56 0 0 B6,YX,DL,F9
May 2025 257 68 1 0 B6,YX,DL,F9
Apr 2025 242 49 2 0 DL,F9,YX,B6
Mar 2025 243 42 3 0 B6,YX,DL,F9
Feb 2025 197 51 5 0 B6,YX,DL,F9
Jan 2025 217 44 2 0 B6,YX,DL,F9
Dec 2024 262 61 3 0 B6,DL,F9,YX
Nov 2024 257 27 0 0 B6,YX,DL,F9
Oct 2024 295 46 0 0 DL,F9,B6
Sep 2024 288 61 1 1 YX,B6,DL,F9
Aug 2024 305 87 11 2 B6,DL,F9,YX
Jul 2024 268 58 6 1 B6,DL,F9,YX
Jun 2024 266 48 2 0 B6,DL,F9,YX
May 2024 275 49 0 0 B6,DL,F9,YX
Apr 2024 234 39 1 2 B6,DL,F9
Mar 2024 203 29 1 0 B6,DL,YX
Feb 2024 178 19 2 0 B6,DL,YX
Jan 2024 182 54 3 3 B6,DL,YX

BOS–RDU seasonal on-time pattern

Best: November (85.0%) · weakest: July (72.4%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 78.1%

Strongest calendar month

November

85.0% on-time · ~230 flights/mo

Busiest calendar month

May

~258 flights/mo avg

Weakest calendar month

July

72.4% on-time · ~217 flights/mo

Cancellation Rate

1.1%

65 of 5,912 flights

Diversion Rate

0.2%

9 of 5,912 flights

Explore origin & destination

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

BOS - Boston

Full on-time, delay-cause, and seasonal performance for Boston, MA.

BOS 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 BOS and RDU side by side on delays, cancellations, and reliability.

Compare BOS vs RDU

Origin-hub reliability standing

Mid-pack among BOS departures

From BOS, this corridor sits with 49 other 75–85% on-time routes out of 60 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 5 below 75%). Destination: Raleigh/Durham · fleet on-time rank #3169 of 4927.

What the Data Says About BOS to RDU

16,152 tracked flights put the BOS to RDU pairing (Boston to Raleigh/Durham) at a 79.9% on-time rate, squarely in line with the wider network. Delays that do occur run 78.6 minutes on average. Across the 612-mile route and its 27 carriers, the trailing 24 months show 1.1% cancelled and 0.2% diverted (5,912 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 89% on-time, while Dec 2025 came in at just 70% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, BOS–RDU peaks in November at 85.0% on-time while May carries the heaviest traffic (~258 flights per month) ; the softest month is July at 72.4%, 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 BOS to RDU rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BOS to RDU ranks #561 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 BOS to RDU? ▼
Flights from Boston to Raleigh/Durham have a 79.9% on-time rate based on 16,152 flights. The average delay is 78.6 minutes. The best recent month was Nov 2024 with 89% on-time.
What is the cancellation rate for BOS to RDU? ▼
Over the last 24 months, 1.1% of flights on this route were cancelled (65 of 5,912 flights) and 0.2% were diverted.
How far is the flight from BOS to RDU? ▼
The flight distance from Boston (BOS) to Raleigh/Durham (RDU) is approximately 612 miles. This route is served by 27 carriers.
When is the best time to fly from BOS to RDU? ▼
The best recent month for on-time performance was Nov 2024 (89% on-time). The worst was Dec 2025 (70% on-time). Consider booking during months with historically better performance.

Airports on this route

BOS Airport

Boston
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 BOS–RDU data

BOS–RDU is mid-pack at 79.9% on-time; month and carrier mix move more than the corridor headline.

  • Compare BOS and RDU airport profiles: delay causes and top routes differ even on the same corridor. BOS airport
  • If your dates flex, November (85.0% on-time) beats July (72.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.9% 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.