PlainFlights

RDU vs BOS - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
RDU

Raleigh/Durham, NC

Raleigh/Durham, North Carolina

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Airport B
BOS

Boston, MA

Boston, Massachusetts

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric RDU BOS
On-Time Rate (higher is better) 81.6% 79.9%
Avg Delay (lower is better) 77.6 min 78.3 min
Delay Rate (lower is better) 18.4% 20.1%
Cancellation Rate (lower is better) 1.18% 1.19%
Total Flights 616,332 1,455,478
Delayed Flights 113,435 292,211
Cancelled Flights 7,264 17,391
Top Delay Cause Late Aircraft Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

RDU - Raleigh/Durham, NC

Late Aircraft 41.9%
Carrier 30.4%
NAS 23.9%
Weather 3.8%
Security 0.1%

BOS - Boston, MA

Carrier 37.1%
Late Aircraft 34.4%
NAS 25.0%
Weather 3.4%
Security 0.1%

Top Routes

Top routes from RDU

Route Flights On-Time
ATL → RDU
Raleigh/Durham
25,309 83.4%
RDU → ATL
Atlanta
25,294 87.4%
LGA → RDU
Raleigh/Durham
19,534 81.3%
RDU → LGA
New York
19,530 79.6%
RDU → JFK
New York
19,088 79.9%
JFK → RDU
Raleigh/Durham
19,083 80.6%

Top routes from BOS

Route Flights On-Time
BOS → DCA
Washington
49,205 81.6%
DCA → BOS
Boston
49,133 80.5%
LGA → BOS
Boston
39,006 82.4%
BOS → LGA
New York
38,931 83.4%
BOS → ORD
Chicago
35,774 82.1%
ORD → BOS
Boston
35,759 78.5%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.