Frontier Airlines This budget carrier is notorious for delayed flights, with only 53.8% being on time. This means you have a nearly 50% chance of your Frontier flight being delayed and a 3.9% chance of it being canceled outright.
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BTS data from July 2021 to June 2022 shows Hawaiian performed best of all U.S. airlines with just a 0.81% cancellation rate. Delta took second place again — with a cancellation rate of 1.63%. Meanwhile, merger partners JetBlue (3.81%) and Spirit Airlines (4.11%) canceled the highest percentage of all flights.
Birmingham airport topped the list for having the longest average delay per departing flight, for a second year in a row. The analysis of Civil Aviation Authority (CAA) data by the PA news agency considered all scheduled and chartered departures, with cancelled flights not included.
If you're looking for the most reliable airline in 2022 and 2023 overall, that title is awarded to Delta Airlines, who had the highest on-time flight percentage - 83.52% (2022) and 80.18% (2023).
While statistically, prices are lower when you avoid booking flights on Friday, it doesn't guarantee it will work for you. Your best bet for cheap flights is to avoid booking last-minute, set travel alerts, and fly mid-week for the best deals.
#1 Delta Airlines - The US' Most Reliable AirlineAlthough Delta scored top overall, the airline is steadily in the middle of the pack for mishandled bags. They also rank among the worst for denied boarding, but the percentages are very small - 0.05% in 2022 and 0.07% in 2023.
The longest flight in the world, currently flown by Singapore Airlines, is proof. For travelers who want to visit loved ones—not to mention frequent fliers looking for new ways to earn and burn miles and points—this 19-hour journey from John F. Kennedy is a gem in the crown of ultra-long-haul travel.
Tuesday was the clear winner with the least cancellations and the least flight delays, with Monday close behind. According to the study, the best days of the week to fly are Tuesday and Monday, and the worst days of the week to fly are Thursday and Friday.
The most unreliable airlines in the United KingdomeasyJet received 10,494 complaints over a 12-month period and only managed to resolve 54% of them. The second most unreliable airline was another one with its headquarters at Luton Airport: TUI, the UK subsidiary of the German TUI Group.