Route on-time record

RDU to BNA: most on-time flights and the best time to fly

Raleigh/Durham (Raleigh-Durham International Airport) to Nashville (Nashville International Airport). 2,213 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 1.5% were cancelled. The most reliable flight number was Southwest 2688 at 6:00 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

RDU → BNA

Raleigh/Durham to Nashville: 2,213 nonstop flights a year

On time (12 months)

80%

Cancelled

1.5%

avg delay 13 min

Best time to leave

Before 9 AM

96% on time vs 63% 3 to 6 PM

Most reliable airline

Southwest

80% chance on time

Check RDU to BNA fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · Southwest 2688
6:00 AM → 6:35 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
96%
chance on time
On time (history)
98%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 98% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 63%).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
Limited track record · 55 flights
Find Southwest 2688 fares Opens this date on Aviasales
#2 · Southwest 581
6:10 AM → 6:50 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
91%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 91% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 63%).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 581 fares Opens this date on Aviasales
#3 · Southwest 1662
9:20 AM → 10:00 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-01.
89%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1662 fares Opens this date on Aviasales
#4 · Republic 4344 · sold as American Eagle, Delta Connection or United Express
10:00 AM → 10:46 AM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (10 flights, Jun 2025 to May 2026).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find 10:00 AM flight fares Opens this date on Aviasales
#5 · Republic 4762 · sold as American Eagle, Delta Connection or United Express
9:09 AM → 9:58 AM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-20.
87%
chance on time
On time (history)
90%
Cancelled
1.7%
Avg arrival delay
8 min
- Arrived on time 90% of the time (344 flights, Jun 2025 to May 2026).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
Strong track record · 344 flights
Find 9:09 AM flight fares Opens this date on Aviasales
#6 · Southwest 1121
9:40 AM → 10:15 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
85%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 85% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
- Short track record (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find Southwest 1121 fares Opens this date on Aviasales
#7 · Southwest 3616
10:15 AM → 10:55 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
On time (history)
80%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 80% of the time (15 flights, Jun 2025 to May 2026).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 3616 fares Opens this date on Aviasales
#8 · Southwest 2350
1:40 PM → 2:20 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-05.
84%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 93% of the time (15 flights, Jun 2025 to May 2026).
- Departs inside RDU's trouble window: 57% of its 14 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 2350 fares Opens this date on Aviasales
#9 · Southwest 2356
1:55 PM → 2:35 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-04-06.
80%
chance on time
On time (history)
77%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 77% of the time (13 flights, Jun 2025 to May 2026).
- Departs inside RDU's trouble window: 57% of its 14 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 2356 fares Opens this date on Aviasales
#10 · Republic 4633 · sold as American Eagle, Delta Connection or United Express
9:45 PM → 10:34 PM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-20.
78%
chance on time
On time (history)
82%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 82% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
- Short track record (44 flights), so its score leans on the airline's record at this hour.
Limited track record · 44 flights
Find 9:45 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Southwest Airlines80%
1,259 flights · 81% on time as flown · 1.1% cancel
Republic Airways (sold as American Eagle, Delta Connection or United Express)77%
954 flights · 78% on time as flown · 2.1% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM96%
455 flights · avg delay 3 min
9 AM to noon90%
576 flights · avg delay 6 min
Noon to 3 PM83%
127 flights · avg delay 12 min
3 to 6 PM63%
504 flights · avg delay 24 min
6 to 9 PM69%
401 flights · avg delay 20 min
After 9 PM75%
150 flights · avg delay 12 min

Best day: Saturday (88%). Worst: Friday (80%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Late-arriving aircraft67%
Airline (crew, maintenance, boarding)18%
Air traffic control and airport volume12%
Severe weather2%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

RDU to BNA questions

What time of day is best to fly RDU to BNA?: Before 9 AM: 96% of flights arrived on time, against 63% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from RDU to BNA?: Southwest, with a season-adjusted 80% chance of operating and arriving on time over 1,259 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on RDU to BNA?: July (73% on time); the best was February (90%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from RDU

Live status: FAA delays and ground stops

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Ask ATIS