Buffalo (BUF) to Newark (EWR): On-Time Performance
Data through May 2026
Delays are only half the story on BUF–EWR: 3.2% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 88% land on time, no worse than the national average of 78%.
- On-time
- 88%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 1.1
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 282 mi
Best airline from BUF to EWR
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 90% | 9 min | 1.4% | 417 |
| Republic Airways | 86% | 12 min | 4.3% | 681 |
Monthly on-time trend
Best time to fly from BUF to EWR
Aim for departures around 10 a.m. (98% on-time); avoid 7 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 12 min |
| Tuesdaybest | 93% | 7 min |
| Wednesday | 89% | 8 min |
| Thursday | 83% | 14 min |
| Friday | 89% | 10 min |
| Saturday | 87% | 13 min |
| Sunday | 85% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft20%
- Airline operations45%
- National airspace system32%
- Weather3%
Frequently asked questions
- How often are flights from BUF to EWR delayed?
- 12% of BUF–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from BUF to EWR?
- United Airlines has the best on-time record on this route at 90%, based on 417 flights. 2 airlines flew BUF–EWR frequently enough to compare in this period.
- What is the best time of day to fly from BUF to EWR?
- Departures around 10 a.m. have the best record (98% on-time), while departures around 7 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to EWR?
- The scheduled BUF–EWR flight time averages 1h 30m over 282 miles. Actual arrival times vary — flights on this route land 15+ minutes late 12% of the time.
- How often are BUF to EWR flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from BUF to EWR?
- December 2024 was the roughest month in this dataset, with only 66% of arrivals on time. The best was April 2025 at 100%. If your dates are flexible, that 34-point gap is worth planning around.
Explore related pages
More routes from BUF
Based on 1,098 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.