ON TIMEBOARD

ROA → ATL on time

Roanoke–Blacksburg (Roanoke, VA) to Atlanta Hartsfield-Jackson (Atlanta, GA). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
2.0%
1,419 flights
Typical arrival
−14 min
median vs schedule
When late
+95 min
average delay
Flights / day
4
1 airline

80% of flights from Roanoke to Atlanta arrived on time over the past 12 months. That is about the typical U.S. route. The 6 a.m. departures ran on time 88% of the time; the 7 p.m. ones 72%. 10% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for ROA → ATL: when a flight was late, it was under 45 minutes late 43% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 36 three hours or more; 2.0% were cancelled outright.

Share of all 1,419 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,41980%2.0%−14 min8.3%+95 minEndeavor Air 70%, Delta Air Lines 26%, SkyWest 5%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at ROA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 88% on time (357 flights)886a7 a.m. departures: too few flights (8 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: 82% on time (358 flights)8211anoon departures: too few flights12p1 p.m. departures: too few flights (6 flights)1p2 p.m. departures: too few flights (22 flights)2p3 p.m. departures: 74% on time (310 flights)743p4 p.m. departures: too few flights (8 flights)4p5 p.m. departures: too few flights (22 flights)5p6 p.m. departures: too few flights (6 flights)6p7 p.m. departures: 72% on time (301 flights)727p8 p.m. departures: too few flights (21 flights)8p
ROA → ATL, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On ROA → ATL, each airline's last flight of the day was cancelled 2.2% of the time, against 2.0% for its earlier flights, about the same. It arrived 3+ hours late 1.6% of the time (earlier flights: 3.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines7:59 p.m.2.2%1.6%2.0%first flight 6:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: October (94%). Worst: July (69%).

40%70%100%Jan: 78% on time (308 flights)78JanFeb: 87% on time (300 flights)87FebMar: 78% on time (339 flights)78MarApr: 84% on time (330 flights)84AprMay: 75% on time (330 flights)75MayJun: 79% on time (322 flights)79JunJul: 69% on time (330 flights)69JulAug: 81% on time (329 flights)81AugSep: 89% on time (296 flights)89SepOct: 94% on time (298 flights)94OctNov: 85% on time (305 flights)85NovDec: 73% on time (316 flights)73Dec

By day of week

DayFlightsOn timeCancelled
Monday21078%2.9%
Tuesday20679%1.5%
Wednesday20285%1.0%
Thursday20281%0.5%
Friday20479%2.9%
Saturday18976%2.1%
Sunday20680%3.4%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 45%Airline (crew, maintenance, ops) 40%Air traffic & airport (NAS) 12%Severe weather 4%

Cancellations: airline 20 · weather 5 · air traffic/airport 4

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Nov 2024: 95% on time, 0.0% cancelledDec 2024: 68% on time, 3.8% cancelledJan 2025: 77% on time, 4.9% cancelledFeb 2025: 75% on time, 1.9% cancelledMar 2025: 79% on time, 0.8% cancelledApr 2025: 83% on time, 0.0% cancelledMay 2025: 73% on time, 0.0% cancelledJun 2025: 72% on time, 5.2% cancelledJul 2025: 73% on time, 1.7% cancelledAug 2025: 81% on time, 0.8% cancelledSep 2025: 87% on time, 0.0% cancelledOct 2025: 93% on time, 0.0% cancelledNov 2025: 72% on time, 8.6% cancelledDec 2025: 69% on time, 2.5% cancelledJan 2026: 83% on time, 6.1% cancelledFeb 2026: 93% on time, 0.0% cancelledMar 2026: 71% on time, 2.4% cancelledApr 2026: 86% on time, 0.0% cancelledMay 2026: 74% on time, 0.8% cancelledJun 2026: 83% on time, 2.6% cancelledJul 2026: 66% on time, 1.7% cancelledAug 2026: 78% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
ROA → ATL, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 28186:00 a.m.36588%2.2%−16 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 25, 202640%4
Dec 2, 202540%0
Jan 31, 202640%1
Mar 16, 202640%0
Dec 8, 2025425%1

Questions

How often are flights from ROA to ATL on time?

80% of 1,419 scheduled flights from Roanoke, VA to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 2.0% were cancelled.

What is the best time of day to fly ROA to ATL?

Flights scheduled to leave at 6 a.m. were the most reliable (88% on time). The 7 p.m. departures were the least (72%).

What month has the most delays from ROA to ATL?

July (69% on time). The best month is October (94%), over 2023–2026.

Is the last flight of the day from ROA to ATL more likely to be cancelled?

Not much. Each airline's last ROA–ATL flight of the day was cancelled 2.2% of the time over the past year, against 2.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.