How delayed is Raleigh/Durham, NC (RDU)?

Raleigh/Durham, NC has an on-time rate of 80.5%. The average delay is 14.8 min.

What causes delays at RDU?

The main delay causes at RDU are carrier issues (29.7%), weather (3.7%), NAS/air traffic control (25.3%), and late arriving aircraft (41.2%).

What is the best time to fly from RDU?

The best time to fly from RDU is at 5:00 with a 90.9% on-time rate. Nov is the best month with 84.7% on-time flights.

Raleigh/Durham, NC

Raleigh/Durham, NC, NC — RDU

On-Time Rate

80.5%

2019-2025

Avg Delay

14.8 min

when delayed

Cancel Rate

2.3%

flights cancelled

Total Flights

363,166

2019-2025

Best Month

Nov

84.7% on-time

Worst Month

Jul

73.3% on-time

Best Departure Time

5:00

90.9% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at RDU

Airline	Flights	On-Time	Avg Delay
Delta Air Lines	67,023	85.9%	N/A
American Airlines	63,673	78.6%	N/A
Southwest Airlines	54,342	83.5%	N/A
Republic Airways	43,573	80.9%	N/A
Endeavor Air	32,460	80.5%	N/A
United Airlines	29,470	81.0%	N/A
Frontier Airlines	20,929	73.4%	N/A
JetBlue Airways	20,302	72.5%	N/A
Envoy Air	8,622	78.6%	N/A
PSA Airlines	6,640	73.6%	N/A

Most Delayed Routes

Destination	On-Time
RDU → SFBSanford, FL	64.3%
RDU → PGDPunta Gorda, FL	71.1%
RDU → BUFBuffalo, NY	71.4%
RDU → SJUSan Juan, PR	71.6%
RDU → EWRNewark, NJ	72.4%

Most Punctual Routes

Destination	On-Time
RDU → DTWDetroit, MI	88.6%
RDU → PBIWest Palm Beach/Palm Beach, FL	87.7%
RDU → PITPittsburgh, PA	86.8%
RDU → CVGCincinnati, OH	86.7%
RDU → ATLAtlanta, GA	86.7%

Was your flight from Raleigh/Durham, NC delayed?

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019 through November 2025 and are not real-time. See our data methodology for details.