PlainFlights

RDU vs BWI - 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

View full profile →
Airport B
BWI

Baltimore, MD

Baltimore, Maryland

View full profile →

Key Performance Metrics

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

Metric RDU BWI
On-Time Rate (higher is better) 81.6% 78.0%
Avg Delay (lower is better) 77.6 min 61.0 min
Delay Rate (lower is better) 18.4% 22.0%
Cancellation Rate (lower is better) 1.18% 1.25%
Total Flights 616,332 1,049,006
Delayed Flights 113,435 230,270
Cancelled Flights 7,264 13,150
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%

BWI - Baltimore, MD

Carrier 38.9%
Late Aircraft 38.2%
NAS 18.9%
Weather 3.7%
Security 0.3%

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 BWI

Route Flights On-Time
ATL → BWI
Baltimore
31,846 80.2%
BWI → ATL
Atlanta
31,798 82.1%
MCO → BWI
Baltimore
29,125 77%
BWI → MCO
Orlando
29,050 76.2%
BWI → FLL
Fort Lauderdale
21,397 77.2%
FLL → BWI
Baltimore
21,264 79%

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.