Showing United only (incl. its regional partners)All airlines ×

716 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s LAX → BOS flights land within a few points of 87% on time whatever the hour.

Best time to leave 11 pm–12 am 95% arrive on time from LAX

Best single flight UA 2210 LAX 23:59 → BOS 08:40 · 91% on time Avoid UA 1783 LAX 08:35 → BOS 17:20 · 83% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

LAX

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


UA 2210	LAX 23:59	BOS 08:40	91%
UA 1783	LAX 08:35	BOS 17:20	83%

All 2 United flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


UA 1783	LAX 08:35	BOS 17:20	5h 45m	365	83%	0.8%	85 min
UA 2210	LAX 23:59	BOS 08:40	5h 41m	348	91%	1.4%	42 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


United	LAX	BOS	5h 45m	87%	1.1%	716	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON