Airport month record

PITAPR

Pittsburgh International in April 2026

Departures: 3,531
Month: April 2026
National, same month: 79.8%
Carriers: 12

Historical statistics for April 2026, not live status or a forecast for this year’s April. For today’s conditions at PIT, see live FAA status.

PIT in April earns an A+. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 6 points better than the national rate of 79.8%. When something does go wrong the average delay runs a little over an hour. That rests on 3,531 flights, of which Republic Airways flew 852 at 86.5% on time.

Republic Airways is the most reliable of the four carriers covered here at 86.5% on time across 852 flights.

On time

85.3%

Arrivals under 15 minutes late, of 3,509 completed departures

Avg delay

71 min

Across delayed arrivals only, not all flights

Cancelled

0.51%

Nationally in April: 0.90%

Whole year

81.4%

PIT across all twelve months

These figures cover 3,531 departures from Pittsburgh International in April 2026. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.

Against the year

April next to PIT's other months

Against PIT's own year, April ran 4 points better than the twelve-month rate of 81.4%, which makes it number two of twelve months, best first. Cancellations were unusually low for PIT in April, at 0.51% against 1.92% across the year. Either side of it, March ran 78.6% on time and May 84.6%, so a trip moved by a few weeks would have landed in a worse stretch.

PIT month by month
Month	Flights	On time	Avg delay	Cancelled	Grade
July 2025	3,959	76.7%	82 min	3.31%	B−
August 2025	3,841	82.6%	75 min	1.20%	B
September 2025	3,672	86.2%	70 min	0.65%	A+
October 2025	3,850	83.0%	62 min	0.81%	B+
November 2025	3,510	84.4%	78 min	1.77%	B
December 2025	3,474	73.2%	72 min	1.50%	C
January 2026	3,099	79.2%	81 min	6.03%	B−
February 2026	2,943	83.6%	63 min	2.68%	B
March 2026	3,434	78.6%	88 min	2.88%	B
April 2026 (this page)	3,531	85.3%	71 min	0.51%	A+
May 2026	3,778	84.6%	68 min	0.79%	B+
June 2026	3,815	79.1%	85 min	1.68%	B

Departure window

The best time of day to leave PIT in April

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 19 points, against 2 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am999 flights94.1%
8am–11am637 flights88.4%
11am–2pm514 flights85.5%
2pm–5pm500 flights80.0%
5pm–8pm717 flights75.5%
8pm–5am164 flights77.8%

Scale runs 65% to 100%. Rows with fewer than 30 flights show a dash.

Book the early departure. Flights leaving between 5am–8am arrive on time 94.1% of the time, against 75.5% for the evening window. That is 19 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 999 flights scheduled in it.

Across the week, Saturday is the strongest day at 90.2% on time and Monday the weakest at 80.9%. 9 points is a smaller lever than departure hour, but it is free.

Carrier by carrier

Which airlines ran best at PIT in April

The four carriers here are closely matched: 2 points separate the best from the worst. At that spread, schedule and price are better tie-breakers than reliability. Sample sizes are shown so you can see which rows are worth weighing.

Carriers at PIT in April 2026
Airline	Flights	On time	Avg delay	Cancelled	Grade
Southwest Airlines	881	85.7%	46 min	0.00%	A+
Republic Airways	852	86.5%	68 min	0.23%	A+
American Airlines	563	84.1%	105 min	0.36%	B+
United Airlines	384	85.0%	85 min	1.30%	A
Delta Air Linesthin sample	282	92.8%	76 min	1.06%	A
SkyWest Airlinesthin sample	133	84.0%	93 min	1.50%	B
Allegiant Airthin sample	121	79.3%	93 min	0.00%	B+
JetBlue Airwaysthin sample	116	89.7%	71 min	0.00%	A+
Spirit Airlinesthin sample	86	86.7%	38 min	2.33%	A
PSA Airlinesthin sample	36	50.0%	60 min	5.56%	F−
Envoy Airthin sample	35	60.0%	32 min	0.00%	D+
Alaska Airlinesthin sample	30	73.3%	61 min	0.00%	C+

No carrier stands out. Republic tops the table at 86.5%, 2 points clear of the bottom, which is inside the range this kind of sample moves year to year.

Route by route

Busiest routes out of PIT in April

Routes from PIT in April 2026
Route	Flights	On time	Avg delay	Cancelled	Grade
PIT to ORD · Chicagothin sample	347	76.9%	97 min	2.88%	B
PIT to ATL · Atlantathin sample	222	93.6%	73 min	1.35%	A
PIT to LGA · New Yorkthin sample	222	84.6%	93 min	0.45%	B+
PIT to MCO · Orlandothin sample	186	88.7%	40 min	0.00%	A+
PIT to CLT · Charlottethin sample	174	87.9%	75 min	0.57%	A+
PIT to BOS · Bostonthin sample	155	87.7%	45 min	0.00%	A+
PIT to PHL · Philadelphiathin sample	126	83.3%	60 min	0.00%	B+
PIT to DFW · Dallas-Fort Worththin sample	123	82.0%	184 min	0.00%	B+
PIT to JFK · New Yorkthin sample	121	90.1%	96 min	0.00%	A+
PIT to EWR · Newarkthin sample	120	90.8%	29 min	0.00%	A+
PIT to DTW · Detroitthin sample	118	91.5%	95 min	0.00%	A+
PIT to DEN · Denverthin sample	117	92.3%	112 min	0.00%	A+
PIT to FLL · Fort Lauderdalethin sample	113	82.7%	32 min	1.77%	B
PIT to DCA · Washingtonthin sample	113	67.9%	50 min	0.88%	C+
PIT to IAD · Washingtonthin sample	96	90.6%	28 min	0.00%	A+
PIT to BNA · Nashvillethin sample	95	88.4%	65 min	0.00%	A+
PIT to BWI · Baltimorethin sample	90	88.9%	27 min	0.00%	A+
PIT to IAH · Houstonthin sample	88	88.6%	67 min	0.00%	A+
PIT to MDW · Chicagothin sample	86	78.8%	50 min	0.00%	B+
PIT to TPA · Tampathin sample	75	90.7%	67 min	0.00%	A+
PIT to MIA · Miamithin sample	71	84.5%	47 min	0.00%	B+
PIT to PHX · Phoenixthin sample	69	79.7%	62 min	0.00%	B+
PIT to LAS · Las Vegasthin sample	63	87.3%	44 min	0.00%	A+
PIT to RDU · Raleighthin sample	59	89.8%	52 min	0.00%	A+
PIT to STL · St. Louisthin sample	56	83.9%	65 min	0.00%	B+

Delay causes

What held PIT up in April

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 37,000 reported delay minutes.

Carrier
34%
Late-arriving aircraft
32%
National Airspace System
31%
Extreme weather
2%
Security
0%

The largest share of delay minutes, 34%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 13,000 of the 37,000 delay minutes reported here. The split is drawn from 36,870 reported delay minutes.

Cancellations are rare at 0.51%, below the national 0.90% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.

Badly late arrivals are rare here: only 4.6% land an hour or more behind schedule, against 6.4% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

What to do with this

Flying from PIT in April

For a April trip through PIT: this is one of the better months to be flying from here, 85.3% on time with 0.51% cancelled. That is a base rate for the month as a whole; a single storm can still spoil a particular day.

Pittsburgh International (PIT), the whole year
PIT in July76.7%
PIT in August82.6%
PIT in September86.2%
PIT in October83.0%
PIT in November84.4%
PIT in December73.2%
PIT in January79.2%
PIT in February83.6%
PIT in March78.6%
PIT in May84.6%
PIT in June79.1%

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures