Route on-time record
BUF to DTW: most on-time flights and the best time to fly
Buffalo (Buffalo Niagara International Airport) to Detroit (Detroit Metropolitan Wayne County Airport). 1,006 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 1.7% were cancelled. The most reliable flight number was Delta 2898 at 6:15 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BUF → DTW
Buffalo to Detroit: 1,006 nonstop flights a year
On time (12 months)
81%
Cancelled
1.7%
avg delay 21 min
Best time to leave
Before 9 AM
85% on time vs 76% 3 to 6 PM
Most reliable airline
Delta
83% chance on time
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 · Delta 2898
6:15 AM → 7:35 AM1h 14m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 90% of the time (284 flights, Jun 2025 to May 2026).
- Never cancelled in 284 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 3 to 6 PM: 76%).
Strong track record · 284 flights
Find Delta 2898 fares Opens this date on Aviasales#2 · SkyWest 4021 · sold as United Express, Delta Connection, American Eagle or Alaska
3:52 PM → 5:08 PM1h 16m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 3955; its record covers all of them.
85%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 92% of the time (49 flights, Jun 2025 to May 2026).
- Never cancelled in 49 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 76% on time; Before 9 AM: 85%).
- Lands inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 49 flights
Find 3:52 PM flight fares Opens this date on Aviasales#3 · SkyWest 3949 · sold as United Express, Delta Connection, American Eagle or Alaska
8:56 AM → 10:14 AM1h 18m nonstop
Local times, typical schedule. Last flown 2026-05-06.
82%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 90% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 3 to 6 PM: 76%).
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find 8:56 AM flight fares Opens this date on Aviasales#4 · Delta 2139
12:50 PM → 1:59 PM1h 09m nonstop
Local times, typical schedule. Last flown 2026-05-06.
82%
chance on time
- On time (history)
- 80%
- Cancelled
- 4.8%
- Avg arrival delay
- 9 min
- Arrived on time 80% of the time (20 flights, Jun 2025 to May 2026).
- Lands inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Delta 2139 fares Opens this date on Aviasales#5 · SkyWest 3969 · sold as United Express, Delta Connection, American Eagle or Alaska
7:31 PM → 8:45 PM1h 14m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 3947; its record covers all of them.
78%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 81% of the time (52 flights, Jun 2025 to May 2026).
- Never cancelled in 52 scheduled flights.
- Short track record (52 flights), so its score leans on the airline's record at this hour.
Limited track record · 52 flights
Find 7:31 PM flight fares Opens this date on Aviasales#6 · SkyWest 3998 · sold as United Express, Delta Connection, American Eagle or Alaska
10:32 AM → 11:45 AM1h 13m nonstop
Local times, typical schedule. Last flown 2026-04-09.
77%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 43 min
- Arrived on time 77% of the time (26 flights, Jun 2025 to May 2026).
- Short track record (26 flights), so its score leans on the airline's record at this hour.
Limited track record · 26 flights
Find 10:32 AM flight fares Opens this date on Aviasales#7 · SkyWest 3983 · sold as United Express, Delta Connection, American Eagle or Alaska
1:00 PM → 2:16 PM1h 16m nonstop
Local times, typical schedule. Last flown 2026-04-12.
70%
chance on time
- On time (history)
- 66%
- Cancelled
- 2.8%
- Avg arrival delay
- 33 min
- Arrived on time 66% of the time (35 flights, Jun 2025 to May 2026).
- Lands inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (35 flights), so its score leans on the airline's record at this hour.
Limited track record · 35 flights
Find 1:00 PM flight fares Opens this date on Aviasales#8 · SkyWest 3982 · sold as United Express, Delta Connection, American Eagle or Alaska
5:50 PM → 7:06 PM1h 16m nonstop
Local times, typical schedule. Last flown 2026-04-12.
68%
chance on time
- On time (history)
- 64%
- Cancelled
- 0.0%
- Avg arrival delay
- 38 min
- Arrived on time 64% of the time (36 flights, Jun 2025 to May 2026).
- Never cancelled in 36 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 76% on time; Before 9 AM: 85%).
- Short track record (36 flights), so its score leans on the airline's record at this hour.
Limited track record · 36 flights
Find 5:50 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines83%
453 flights · 84% on time as flown · 1.6% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)77%
546 flights · 79% on time as flown · 1.7% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM85%
386 flights · avg delay 18 min
- 9 AM to noon81%
126 flights · avg delay 24 min
- Noon to 3 PM80%
171 flights · avg delay 20 min
- 3 to 6 PM76%
232 flights · avg delay 29 min
- 6 to 9 PM83%
91 flights · avg delay 14 min
Best day: Saturday (86%). Worst: Sunday (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
- Airline (crew, maintenance, boarding)60%
- Severe weather23%
- Air traffic control and airport volume9%
- Late-arriving aircraft7%
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 DTW questions
- What time of day is best to fly BUF to DTW?
- Before 9 AM: 85% of flights arrived on time, against 76% 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 BUF to DTW?
- Delta, with a season-adjusted 83% chance of operating and arriving on time over 453 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 DTW?
- January (70% on time); the best was October (91%), 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
- DTW 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 CLT 78%
- BUF to JFK 79%
- BUF to DCA 65%
- BUF to BOS 74%
- BUF to MDW 78%
- BUF to TPA 77%
- BUF to DEN 80%
Live status: FAA delays and ground stops