Route on-time record
BUF to CLT: most on-time flights and the best time to fly
Buffalo (Buffalo Niagara International Airport) to Charlotte (Charlotte Douglas International Airport). 1,219 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 2.2% were cancelled. The most reliable flight number was American 1204 at 6:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BUF → CLT
Buffalo to Charlotte: 1,219 nonstop flights a year
On time (12 months)
78%
Cancelled
2.2%
avg delay 23 min
Best time to leave
9 AM to noon
90% on time vs 66% 6 to 9 PM
Most reliable airline
American
77% chance on time
Lowest nonstop fare seen in the next two months: $206 (American 1203 on 2026-11-13). 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 · American 1204
6:00 AM → 8:04 AM2h 04m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 92%
- Cancelled
- 1.4%
- Avg arrival delay
- 26 min
- Arrived on time 92% of the time (205 flights, Jun 2025 to May 2026).
Strong track record · 205 flights
Find American 1204 fares Opens this date on Aviasales#2 · American 1659
6:19 AM → 8:25 AM2h 06m nonstop
Local times, typical schedule. Last flown 2026-04-06.
82%
chance on time
- On time (history)
- 83%
- Cancelled
- 4.5%
- Avg arrival delay
- 12 min
- Arrived on time 83% of the time (149 flights, Jun 2025 to May 2026).
- Cancelled 4.5% of the time (7 of 156).
Moderate track record · 149 flights
Find American 1659 fares Opens this date on Aviasales#3 · American 1203
1:32 PM → 3:34 PM2h 02m nonstop
Local times, typical schedule. Last flown 2026-04-06.
81%
chance on time
- On time (history)
- 83%
- Cancelled
- 2.1%
- Avg arrival delay
- 16 min
- Arrived on time 83% of the time (279 flights, Jun 2025 to May 2026).
- Lands inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- 67% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 279 flights
Find American 1203 fares Opens this date on Aviasales#4 · American 1616
1:45 PM → 3:45 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1915; its record covers all of them.
78%
chance on time
- On time (history)
- 83%
- Cancelled
- 1.8%
- Avg arrival delay
- 10 min
- Arrived on time 83% of the time (54 flights, Jun 2025 to May 2026).
- Lands inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- 70% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find American 1616 fares Opens this date on Aviasales#5 · American 1621
6:39 PM → 8:43 PM2h 04m nonstop
Local times, typical schedule. Last flown 2026-04-04.
74%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 90%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find American 1621 fares Opens this date on Aviasales#6 · American 1614
7:31 PM → 9:36 PM2h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1919; its record covers all of them.
69%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 76% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 90%).
- 77% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 55 flights
Find American 1614 fares Opens this date on Aviasales#7 · American 2301
7:40 PM → 9:44 PM2h 04m nonstop
Local times, typical schedule. Last flown 2026-04-06.
66%
chance on time
- On time (history)
- 67%
- Cancelled
- 2.0%
- Avg arrival delay
- 36 min
- Arrived on time 67% of the time (144 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 66% on time; 9 AM to noon: 90%).
- 56% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 144 flights
Find American 2301 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines77%
1,218 flights · 78% on time as flown · 2.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
363 flights · avg delay 21 min
- 9 AM to noon90%
129 flights · avg delay 16 min
- Noon to 3 PM78%
330 flights · avg delay 22 min
- 6 to 9 PM66%
364 flights · avg delay 29 min
Best day: Tuesday (80%). Worst: Thursday (73%).
Smarter routing
Nearby airports that run more on time
ROC → CLT 80% chance on time
Frederick Douglass Greater Rochester International Airport to Charlotte Douglas International Airport · 1,008 flights a year · 55 mi from your airports · yours: 77%
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 aircraft46%
- Airline (crew, maintenance, boarding)38%
- Air traffic control and airport volume11%
- Severe weather4%
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
BUF to CLT questions
- What time of day is best to fly BUF to CLT?
- 9 AM to noon: 90% of flights arrived on time, against 66% for departures 6 to 9 PM.
- Which airline is most on time from BUF to CLT?
- American, with a season-adjusted 77% chance of operating and arriving on time over 1,218 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 BUF to CLT?
- July (64% on time); the best was April (88%), 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 BUF
- CLT to BUF (return)
- BUF to ORD 73%
- BUF to LGA 77%
- BUF to MCO 76%
- BUF to BWI 86%
- BUF to ATL 80%
- BUF to JFK 79%
- BUF to DCA 65%
- BUF to BOS 74%
- BUF to DTW 81%
- BUF to MDW 78%
- BUF to TPA 77%
- BUF to DEN 80%
Live status: FAA delays and ground stops