ON TIMEBOARD
CHA Chattanooga / LGA New York

CHA → LGA on time

Chattanooga Metropolitan (Lovell ) (Chattanooga, TN) to LaGuardia (New York, NY). Every scheduled flight, September 2025 to August 2026.

On time
73%
arrived < 15 min late
Cancelled
7.8%
586 flights
Typical arrival
−8 min
median vs schedule
When late
+93 min
average delay
Flights / day
2
1 airline

73% of flights from Chattanooga to New York arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 86% of the time; the 4 p.m. ones 62%. 18% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for CHA → LGA: when a flight was late, it was under 45 minutes late 39% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 34 three hours or more; 7.8% were cancelled outright.

Share of all 586 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines58673%7.8%−8 min9.9%+93 minEndeavor Air

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at CHA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 86% on time (148 flights)866a7 a.m. departures: 79% on time (146 flights)797a8 a.m. departures: too few flights (3 flights)8a9 a.m. departures: too few flights (13 flights)9a10 a.m. departures: too few flights (3 flights)10a11 a.m. departures: too few flights11anoon departures: too few flights (12 flights)12p1 p.m. departures: too few flights (16 flights)1p2 p.m. departures: too few flights (4 flights)2p3 p.m. departures: too few flights (16 flights)3p4 p.m. departures: 62% on time (199 flights)624p5 p.m. departures: too few flights (26 flights)5p
CHA → LGA, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On CHA → LGA, each airline's last flight of the day was cancelled 13.6% of the time, against 3.4% for its earlier flights (4.0× as often). It arrived 3+ hours late 3.4% of the time (earlier flights: 2.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines4:48 p.m.13.6%3.4%3.4%first flight 6:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in LGA tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (49 flights)JanFeb: too few flights (48 flights)FebMar: too few flights (76 flights)MarApr: too few flights (82 flights)AprMay: too few flights (86 flights)MayJun: too few flights (83 flights)JunJul: too few flights (85 flights)JulAug: too few flights (83 flights)AugSep: too few flights (49 flights)SepOct: too few flights (77 flights)OctNov: too few flights (76 flights)NovDec: too few flights (63 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday94——
Tuesday92——
Wednesday90——
Thursday89——
Friday91——
Saturday43——
Sunday87——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 34%Late inbound plane 31%Air traffic & airport (NAS) 28%Severe weather 6%

Cancellations: air traffic/airport 27 · airline 15 · weather 4

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 48906:00 a.m.31082%3.9%−10 minEndeavor Air

Questions

How often are flights from CHA to LGA on time?

73% of 586 scheduled flights from Chattanooga, TN to New York, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 7.8% were cancelled.

What is the best time of day to fly CHA to LGA?

Flights scheduled to leave at 6 a.m. were the most reliable (86% on time). The 4 p.m. departures were the least (62%).

Is the last flight of the day from CHA to LGA more likely to be cancelled?

Yes. Each airline's last CHA–LGA flight of the day was cancelled 13.6% of the time over the past year, against 3.4% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.