ON TIMEBOARD

LGA → BHM on time

LaGuardia (New York, NY) to Birmingham-Shuttlesworth (Birmingham, AL). Every scheduled flight, September 2025 to August 2026.

On time
65%
arrived < 15 min late
Cancelled
7.1%
1,015 flights
Typical arrival
−5 min
median vs schedule
When late
+74 min
average delay
Flights / day
3
1 airline

65% of flights from New York to Birmingham arrived on time over the past 12 months. That is worse than the typical U.S. route. The 8 a.m. departures ran on time 75% of the time; the 3 p.m. ones 52%. 19% 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 LGA → BHM: when a flight was late, it was under 45 minutes late 48% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 53 three hours or more; 7.1% were cancelled outright.

Share of all 1,015 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,01565%7.1%−5 min11.9%+74 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 LGA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%8 a.m. departures: 75% on time (263 flights)758a9 a.m. departures: too few flights (58 flights)9a10 a.m. departures: too few flights (18 flights)10a11 a.m. departures: too few flights (12 flights)11anoon departures: too few flights (6 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: 67% on time (198 flights)672p3 p.m. departures: 52% on time (132 flights)523p4 p.m. departures: too few flights (17 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (12 flights)6p7 p.m. departures: too few flights7p8 p.m. departures: 61% on time (132 flights)618p9 p.m. departures: 53% on time (167 flights)539p
LGA → BHM, 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 LGA → BHM, each airline's last flight of the day was cancelled 10.6% of the time, against 5.2% for its earlier flights (2.0× as often). It arrived 3+ hours late 2.2% of the time (earlier flights: 1.7%). 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 Lines9:05 p.m.10.6%2.2%5.2%first flight 8:55 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 BHM tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (84%). Worst: July (59%).

40%70%100%Jan: 74% on time (252 flights)74JanFeb: 84% on time (246 flights)84FebMar: 73% on time (269 flights)73MarApr: 77% on time (272 flights)77AprMay: 66% on time (259 flights)66MayJun: 65% on time (247 flights)65JunJul: 59% on time (259 flights)59JulAug: 69% on time (254 flights)69AugSep: 82% on time (266 flights)82SepOct: 80% on time (281 flights)80OctNov: 84% on time (264 flights)84NovDec: 77% on time (237 flights)77Dec

By day of week

DayFlightsOn timeCancelled
Monday15757%12.7%
Tuesday15462%9.7%
Wednesday15270%3.3%
Thursday15064%8.0%
Friday15272%4.6%
Saturday10566%1.9%
Sunday14563%7.6%

Why flights were late

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

Late inbound plane 50%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 20%Severe weather 1%

Cancellations: air traffic/airport 32 · airline 25 · weather 15

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 73% on time, 9.0% cancelledOct 2023: 91% on time, 0.0% cancelledNov 2023: 89% on time, 0.0% cancelledApr 2024: 86% on time, 1.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
LGA → BHM, monthly on-time and cancellation rate.

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 49368:55 a.m.35273%4.3%−6 minEndeavor Air
DL 49423:05 p.m.34862%6.0%−5 minEndeavor Air
DL 49388:59 p.m.29957%12.0%−5 minEndeavor Air

Worst days in the past year

DateFlightsOn timeCancelled
May 15, 202630%0
Nov 9, 202530%0
Dec 7, 202530%0
Dec 14, 202530%2
Mar 25, 202630%1

Questions

How often are flights from LGA to BHM on time?

65% of 1,015 scheduled flights from New York, NY to Birmingham, AL arrived within 15 minutes of schedule between September 2025 and August 2026. 7.1% were cancelled.

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

Flights scheduled to leave at 8 a.m. were the most reliable (75% on time). The 3 p.m. departures were the least (52%).

What month has the most delays from LGA to BHM?

July (59% on time). The best month is November (84%), over 2023–2026.

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

Yes. Each airline's last LGA–BHM flight of the day was cancelled 10.6% of the time over the past year, against 5.2% 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.