Buffalo (BUF) to Newark (EWR): On-Time Performance
Data through July 2026
Delays are only half the story on BUF–EWR: 4.2% 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
- 4.2%
- Flights/day
- 1.3
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 282 mi
Best airline from BUF to EWR
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 90% | 9 min | 1.5% | 393 |
| Republic Airways | 87% | 12 min | 5.6% | 770 |
Monthly on-time trend
Best time to fly from BUF to EWR
Aim for departures around 10 a.m. (94% on-time); avoid 7 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 12 min |
| Tuesday | 91% | 8 min |
| Wednesday | 90% | 7 min |
| Thursday | 85% | 13 min |
| Fridaybest | 92% | 7 min |
| Saturday | 87% | 14 min |
| Sunday | 84% | 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 aircraft23%
- Airline operations44%
- National airspace system30%
- 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 2024-07 and 2026-07. 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 393 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 (94% on-time), while departures around 7 p.m. have the worst (72%). 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?
- 4.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — 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.
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Based on 1,163 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.